Home / 2,580,472.15-3,868,290.90-873,420.91

Finding the Fourth Proportional to 2,580,472.15, 3,868,290.90 and 873,420.91

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Solution

The fourth proportional to 2,580,472.15, 3,868,290.90 and 873,420.91 is: 1,309,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,472.15 : 3,868,290.90 = 873,420.91 : x
  2. Step 2: Convert to fraction form
    2,580,472.15/3,868,290.90 = 873,420.91/x
  3. Step 3: Cross multiply
    2,580,472.15x = 3,868,290.90 × 873,420.91
  4. Step 4: Simplify right side
    2,580,472.15x = 3,378,646,158,022.72
  5. Step 5: Solve for x
    x = 3,378,646,158,022.72/2,580,472.15
  6. Step 6: Final answer
    x = 1,309,313.17

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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.