Home / 1,448,216.20-2,172,713.10-1,291,529.80

Finding the Fourth Proportional to 1,448,216.20, 2,172,713.10 and 1,291,529.80

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Solution

The fourth proportional to 1,448,216.20, 2,172,713.10 and 1,291,529.80 is: 1,937,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,216.20 : 2,172,713.10 = 1,291,529.80 : x
  2. Step 2: Convert to fraction form
    1,448,216.20/2,172,713.10 = 1,291,529.80/x
  3. Step 3: Cross multiply
    1,448,216.20x = 2,172,713.10 × 1,291,529.80
  4. Step 4: Simplify right side
    1,448,216.20x = 2,806,123,715,500.38
  5. Step 5: Solve for x
    x = 2,806,123,715,500.38/1,448,216.20
  6. Step 6: Final answer
    x = 1,937,641.43

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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.