Home / 1,915,997.68-2,870,743.11-1,156,242.69

Finding the Fourth Proportional to 1,915,997.68, 2,870,743.11 and 1,156,242.69

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Solution

The fourth proportional to 1,915,997.68, 2,870,743.11 and 1,156,242.69 is: 1,732,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,997.68 : 2,870,743.11 = 1,156,242.69 : x
  2. Step 2: Convert to fraction form
    1,915,997.68/2,870,743.11 = 1,156,242.69/x
  3. Step 3: Cross multiply
    1,915,997.68x = 2,870,743.11 × 1,156,242.69
  4. Step 4: Simplify right side
    1,915,997.68x = 3,319,275,737,973.32
  5. Step 5: Solve for x
    x = 3,319,275,737,973.32/1,915,997.68
  6. Step 6: Final answer
    x = 1,732,400.71

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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.