Home / 4,080,666.30-6,120,999.45-3,639,767.10

Finding the Fourth Proportional to 4,080,666.30, 6,120,999.45 and 3,639,767.10

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Solution

The fourth proportional to 4,080,666.30, 6,120,999.45 and 3,639,767.10 is: 5,459,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,666.30 : 6,120,999.45 = 3,639,767.10 : x
  2. Step 2: Convert to fraction form
    4,080,666.30/6,120,999.45 = 3,639,767.10/x
  3. Step 3: Cross multiply
    4,080,666.30x = 6,120,999.45 × 3,639,767.10
  4. Step 4: Simplify right side
    4,080,666.30x = 22,279,012,417,228.10
  5. Step 5: Solve for x
    x = 22,279,012,417,228.10/4,080,666.30
  6. Step 6: Final answer
    x = 5,459,650.65

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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.