Home / 3,121,487.28-4,682,230.92-877,625.28

Finding the Fourth Proportional to 3,121,487.28, 4,682,230.92 and 877,625.28

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Solution

The fourth proportional to 3,121,487.28, 4,682,230.92 and 877,625.28 is: 1,316,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,487.28 : 4,682,230.92 = 877,625.28 : x
  2. Step 2: Convert to fraction form
    3,121,487.28/4,682,230.92 = 877,625.28/x
  3. Step 3: Cross multiply
    3,121,487.28x = 4,682,230.92 × 877,625.28
  4. Step 4: Simplify right side
    3,121,487.28x = 4,109,244,222,189.66
  5. Step 5: Solve for x
    x = 4,109,244,222,189.66/3,121,487.28
  6. Step 6: Final answer
    x = 1,316,437.92

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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.