Home / 1,981,748.65-2,734,646.18-1,098,721.43

Finding the Fourth Proportional to 1,981,748.65, 2,734,646.18 and 1,098,721.43

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Solution

The fourth proportional to 1,981,748.65, 2,734,646.18 and 1,098,721.43 is: 1,516,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,748.65 : 2,734,646.18 = 1,098,721.43 : x
  2. Step 2: Convert to fraction form
    1,981,748.65/2,734,646.18 = 1,098,721.43/x
  3. Step 3: Cross multiply
    1,981,748.65x = 2,734,646.18 × 1,098,721.43
  4. Step 4: Simplify right side
    1,981,748.65x = 3,004,614,361,433.64
  5. Step 5: Solve for x
    x = 3,004,614,361,433.64/1,981,748.65
  6. Step 6: Final answer
    x = 1,516,143.01

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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.