Home / 1,861,229.70-2,791,844.55-1,487,981.70

Finding the Fourth Proportional to 1,861,229.70, 2,791,844.55 and 1,487,981.70

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Solution

The fourth proportional to 1,861,229.70, 2,791,844.55 and 1,487,981.70 is: 2,231,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,229.70 : 2,791,844.55 = 1,487,981.70 : x
  2. Step 2: Convert to fraction form
    1,861,229.70/2,791,844.55 = 1,487,981.70/x
  3. Step 3: Cross multiply
    1,861,229.70x = 2,791,844.55 × 1,487,981.70
  4. Step 4: Simplify right side
    1,861,229.70x = 4,154,213,599,644.73
  5. Step 5: Solve for x
    x = 4,154,213,599,644.73/1,861,229.70
  6. Step 6: Final answer
    x = 2,231,972.55

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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.