Home / 5,516,965.38-8,275,758.90-1,678,912.62

Finding the Fourth Proportional to 5,516,965.38, 8,275,758.90 and 1,678,912.62

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Solution

The fourth proportional to 5,516,965.38, 8,275,758.90 and 1,678,912.62 is: 2,518,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516,965.38 : 8,275,758.90 = 1,678,912.62 : x
  2. Step 2: Convert to fraction form
    5,516,965.38/8,275,758.90 = 1,678,912.62/x
  3. Step 3: Cross multiply
    5,516,965.38x = 8,275,758.90 × 1,678,912.62
  4. Step 4: Simplify right side
    5,516,965.38x = 13,894,276,057,287.32
  5. Step 5: Solve for x
    x = 13,894,276,057,287.32/5,516,965.38
  6. Step 6: Final answer
    x = 2,518,463.52

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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.