Home / 1,812,176.25-2,500,809.65-996,431.23

Finding the Fourth Proportional to 1,812,176.25, 2,500,809.65 and 996,431.23

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Solution

The fourth proportional to 1,812,176.25, 2,500,809.65 and 996,431.23 is: 1,375,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,176.25 : 2,500,809.65 = 996,431.23 : x
  2. Step 2: Convert to fraction form
    1,812,176.25/2,500,809.65 = 996,431.23/x
  3. Step 3: Cross multiply
    1,812,176.25x = 2,500,809.65 × 996,431.23
  4. Step 4: Simplify right side
    1,812,176.25x = 2,491,884,835,545.37
  5. Step 5: Solve for x
    x = 2,491,884,835,545.37/1,812,176.25
  6. Step 6: Final answer
    x = 1,375,078.63

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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.