Home / 3,657,124.80-5,485,687.20-3,115,915.20

Finding the Fourth Proportional to 3,657,124.80, 5,485,687.20 and 3,115,915.20

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Solution

The fourth proportional to 3,657,124.80, 5,485,687.20 and 3,115,915.20 is: 4,673,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,124.80 : 5,485,687.20 = 3,115,915.20 : x
  2. Step 2: Convert to fraction form
    3,657,124.80/5,485,687.20 = 3,115,915.20/x
  3. Step 3: Cross multiply
    3,657,124.80x = 5,485,687.20 × 3,115,915.20
  4. Step 4: Simplify right side
    3,657,124.80x = 17,092,936,128,925.44
  5. Step 5: Solve for x
    x = 17,092,936,128,925.44/3,657,124.80
  6. Step 6: Final answer
    x = 4,673,872.80

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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.