Home / 1,982,974.56-2,736,545.40-1,077,614.88

Finding the Fourth Proportional to 1,982,974.56, 2,736,545.40 and 1,077,614.88

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Solution

The fourth proportional to 1,982,974.56, 2,736,545.40 and 1,077,614.88 is: 1,487,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,974.56 : 2,736,545.40 = 1,077,614.88 : x
  2. Step 2: Convert to fraction form
    1,982,974.56/2,736,545.40 = 1,077,614.88/x
  3. Step 3: Cross multiply
    1,982,974.56x = 2,736,545.40 × 1,077,614.88
  4. Step 4: Simplify right side
    1,982,974.56x = 2,948,942,042,835.55
  5. Step 5: Solve for x
    x = 2,948,942,042,835.55/1,982,974.56
  6. Step 6: Final answer
    x = 1,487,130.55

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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.