Home / 3,403,915.30-5,098,983.90-2,120,583.70

Finding the Fourth Proportional to 3,403,915.30, 5,098,983.90 and 2,120,583.70

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Solution

The fourth proportional to 3,403,915.30, 5,098,983.90 and 2,120,583.70 is: 3,176,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403,915.30 : 5,098,983.90 = 2,120,583.70 : x
  2. Step 2: Convert to fraction form
    3,403,915.30/5,098,983.90 = 2,120,583.70/x
  3. Step 3: Cross multiply
    3,403,915.30x = 5,098,983.90 × 2,120,583.70
  4. Step 4: Simplify right side
    3,403,915.30x = 10,812,822,144,902.43
  5. Step 5: Solve for x
    x = 10,812,822,144,902.43/3,403,915.30
  6. Step 6: Final answer
    x = 3,176,583.78

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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.