Home / 3,538,616.04-5,307,915.13-979,822.45

Finding the Fourth Proportional to 3,538,616.04, 5,307,915.13 and 979,822.45

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Solution

The fourth proportional to 3,538,616.04, 5,307,915.13 and 979,822.45 is: 1,469,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,616.04 : 5,307,915.13 = 979,822.45 : x
  2. Step 2: Convert to fraction form
    3,538,616.04/5,307,915.13 = 979,822.45/x
  3. Step 3: Cross multiply
    3,538,616.04x = 5,307,915.13 × 979,822.45
  4. Step 4: Simplify right side
    3,538,616.04x = 5,200,814,407,068.67
  5. Step 5: Solve for x
    x = 5,200,814,407,068.67/3,538,616.04
  6. Step 6: Final answer
    x = 1,469,731.20

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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.