Home / 3,997,915.20-5,995,436.40-1,157,439.60

Finding the Fourth Proportional to 3,997,915.20, 5,995,436.40 and 1,157,439.60

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Solution

The fourth proportional to 3,997,915.20, 5,995,436.40 and 1,157,439.60 is: 1,735,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,915.20 : 5,995,436.40 = 1,157,439.60 : x
  2. Step 2: Convert to fraction form
    3,997,915.20/5,995,436.40 = 1,157,439.60/x
  3. Step 3: Cross multiply
    3,997,915.20x = 5,995,436.40 × 1,157,439.60
  4. Step 4: Simplify right side
    3,997,915.20x = 6,939,355,508,641.44
  5. Step 5: Solve for x
    x = 6,939,355,508,641.44/3,997,915.20
  6. Step 6: Final answer
    x = 1,735,743.55

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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.