Home / 1,981,747.81-2,734,644.88-1,098,720.51

Finding the Fourth Proportional to 1,981,747.81, 2,734,644.88 and 1,098,720.51

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Solution

The fourth proportional to 1,981,747.81, 2,734,644.88 and 1,098,720.51 is: 1,516,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,747.81 : 2,734,644.88 = 1,098,720.51 : x
  2. Step 2: Convert to fraction form
    1,981,747.81/2,734,644.88 = 1,098,720.51/x
  3. Step 3: Cross multiply
    1,981,747.81x = 2,734,644.88 × 1,098,720.51
  4. Step 4: Simplify right side
    1,981,747.81x = 3,004,610,417,222.49
  5. Step 5: Solve for x
    x = 3,004,610,417,222.49/1,981,747.81
  6. Step 6: Final answer
    x = 1,516,141.66

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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.