Home / 6,442,430.10-9,663,645.16-1,954,706.10

Finding the Fourth Proportional to 6,442,430.10, 9,663,645.16 and 1,954,706.10

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Solution

The fourth proportional to 6,442,430.10, 9,663,645.16 and 1,954,706.10 is: 2,932,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,430.10 : 9,663,645.16 = 1,954,706.10 : x
  2. Step 2: Convert to fraction form
    6,442,430.10/9,663,645.16 = 1,954,706.10/x
  3. Step 3: Cross multiply
    6,442,430.10x = 9,663,645.16 × 1,954,706.10
  4. Step 4: Simplify right side
    6,442,430.10x = 18,889,586,142,487.48
  5. Step 5: Solve for x
    x = 18,889,586,142,487.48/6,442,430.10
  6. Step 6: Final answer
    x = 2,932,059.15

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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.