Home / 2,290,762.20-3,161,165.28-1,272,232.56

Finding the Fourth Proportional to 2,290,762.20, 3,161,165.28 and 1,272,232.56

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Solution

The fourth proportional to 2,290,762.20, 3,161,165.28 and 1,272,232.56 is: 1,755,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,762.20 : 3,161,165.28 = 1,272,232.56 : x
  2. Step 2: Convert to fraction form
    2,290,762.20/3,161,165.28 = 1,272,232.56/x
  3. Step 3: Cross multiply
    2,290,762.20x = 3,161,165.28 × 1,272,232.56
  4. Step 4: Simplify right side
    2,290,762.20x = 4,021,737,396,757.52
  5. Step 5: Solve for x
    x = 4,021,737,396,757.52/2,290,762.20
  6. Step 6: Final answer
    x = 1,755,632.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.