Home / 6,246,039.40-9,369,059.10-1,986,638.20

Finding the Fourth Proportional to 6,246,039.40, 9,369,059.10 and 1,986,638.20

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Solution

The fourth proportional to 6,246,039.40, 9,369,059.10 and 1,986,638.20 is: 2,979,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246,039.40 : 9,369,059.10 = 1,986,638.20 : x
  2. Step 2: Convert to fraction form
    6,246,039.40/9,369,059.10 = 1,986,638.20/x
  3. Step 3: Cross multiply
    6,246,039.40x = 9,369,059.10 × 1,986,638.20
  4. Step 4: Simplify right side
    6,246,039.40x = 18,612,930,706,117.62
  5. Step 5: Solve for x
    x = 18,612,930,706,117.62/6,246,039.40
  6. Step 6: Final answer
    x = 2,979,957.30

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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.