Home / 1,680,343.38-2,509,800.17-1,520,171.46

Finding the Fourth Proportional to 1,680,343.38, 2,509,800.17 and 1,520,171.46

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Solution

The fourth proportional to 1,680,343.38, 2,509,800.17 and 1,520,171.46 is: 2,270,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,343.38 : 2,509,800.17 = 1,520,171.46 : x
  2. Step 2: Convert to fraction form
    1,680,343.38/2,509,800.17 = 1,520,171.46/x
  3. Step 3: Cross multiply
    1,680,343.38x = 2,509,800.17 × 1,520,171.46
  4. Step 4: Simplify right side
    1,680,343.38x = 3,815,326,581,136.29
  5. Step 5: Solve for x
    x = 3,815,326,581,136.29/1,680,343.38
  6. Step 6: Final answer
    x = 2,270,563.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.