Home / 2,580,471.90-3,868,290.52-873,420.66

Finding the Fourth Proportional to 2,580,471.90, 3,868,290.52 and 873,420.66

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Solution

The fourth proportional to 2,580,471.90, 3,868,290.52 and 873,420.66 is: 1,309,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,471.90 : 3,868,290.52 = 873,420.66 : x
  2. Step 2: Convert to fraction form
    2,580,471.90/3,868,290.52 = 873,420.66/x
  3. Step 3: Cross multiply
    2,580,471.90x = 3,868,290.52 × 873,420.66
  4. Step 4: Simplify right side
    2,580,471.90x = 3,378,644,856,866.59
  5. Step 5: Solve for x
    x = 3,378,644,856,866.59/2,580,471.90
  6. Step 6: Final answer
    x = 1,309,312.79

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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.