Home / 2,078,131.20-3,115,468.80-880,972.80

Finding the Fourth Proportional to 2,078,131.20, 3,115,468.80 and 880,972.80

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Solution

The fourth proportional to 2,078,131.20, 3,115,468.80 and 880,972.80 is: 1,320,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,131.20 : 3,115,468.80 = 880,972.80 : x
  2. Step 2: Convert to fraction form
    2,078,131.20/3,115,468.80 = 880,972.80/x
  3. Step 3: Cross multiply
    2,078,131.20x = 3,115,468.80 × 880,972.80
  4. Step 4: Simplify right side
    2,078,131.20x = 2,744,643,272,048.64
  5. Step 5: Solve for x
    x = 2,744,643,272,048.64/2,078,131.20
  6. Step 6: Final answer
    x = 1,320,726.66

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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.