Home / 1,812,005.99-2,500,569.86-996,223.55

Finding the Fourth Proportional to 1,812,005.99, 2,500,569.86 and 996,223.55

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Solution

The fourth proportional to 1,812,005.99, 2,500,569.86 and 996,223.55 is: 1,374,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,005.99 : 2,500,569.86 = 996,223.55 : x
  2. Step 2: Convert to fraction form
    1,812,005.99/2,500,569.86 = 996,223.55/x
  3. Step 3: Cross multiply
    1,812,005.99x = 2,500,569.86 × 996,223.55
  4. Step 4: Simplify right side
    1,812,005.99x = 2,491,126,582,952.20
  5. Step 5: Solve for x
    x = 2,491,126,582,952.20/1,812,005.99
  6. Step 6: Final answer
    x = 1,374,789.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.