Home / 1,981,747.65-2,734,644.80-1,098,720.43

Finding the Fourth Proportional to 1,981,747.65, 2,734,644.80 and 1,098,720.43

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Solution

The fourth proportional to 1,981,747.65, 2,734,644.80 and 1,098,720.43 is: 1,516,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,747.65 : 2,734,644.80 = 1,098,720.43 : x
  2. Step 2: Convert to fraction form
    1,981,747.65/2,734,644.80 = 1,098,720.43/x
  3. Step 3: Cross multiply
    1,981,747.65x = 2,734,644.80 × 1,098,720.43
  4. Step 4: Simplify right side
    1,981,747.65x = 3,004,610,106,463.45
  5. Step 5: Solve for x
    x = 3,004,610,106,463.45/1,981,747.65
  6. Step 6: Final answer
    x = 1,516,141.63

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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.