Home / 1,811,930.50-2,500,400.38-996,128.24

Finding the Fourth Proportional to 1,811,930.50, 2,500,400.38 and 996,128.24

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Solution

The fourth proportional to 1,811,930.50, 2,500,400.38 and 996,128.24 is: 1,374,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,930.50 : 2,500,400.38 = 996,128.24 : x
  2. Step 2: Convert to fraction form
    1,811,930.50/2,500,400.38 = 996,128.24/x
  3. Step 3: Cross multiply
    1,811,930.50x = 2,500,400.38 × 996,128.24
  4. Step 4: Simplify right side
    1,811,930.50x = 2,490,719,429,824.73
  5. Step 5: Solve for x
    x = 2,490,719,429,824.73/1,811,930.50
  6. Step 6: Final answer
    x = 1,374,621.95

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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.