Home / 4,042,810.40-6,064,215.60-3,989,666.30

Finding the Fourth Proportional to 4,042,810.40, 6,064,215.60 and 3,989,666.30

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Solution

The fourth proportional to 4,042,810.40, 6,064,215.60 and 3,989,666.30 is: 5,984,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042,810.40 : 6,064,215.60 = 3,989,666.30 : x
  2. Step 2: Convert to fraction form
    4,042,810.40/6,064,215.60 = 3,989,666.30/x
  3. Step 3: Cross multiply
    4,042,810.40x = 6,064,215.60 × 3,989,666.30
  4. Step 4: Simplify right side
    4,042,810.40x = 24,194,196,615,254.28
  5. Step 5: Solve for x
    x = 24,194,196,615,254.28/4,042,810.40
  6. Step 6: Final answer
    x = 5,984,499.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.