Home / 1,979,874.77-2,732,227.20-1,074,456.77

Finding the Fourth Proportional to 1,979,874.77, 2,732,227.20 and 1,074,456.77

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Solution

The fourth proportional to 1,979,874.77, 2,732,227.20 and 1,074,456.77 is: 1,482,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,874.77 : 2,732,227.20 = 1,074,456.77 : x
  2. Step 2: Convert to fraction form
    1,979,874.77/2,732,227.20 = 1,074,456.77/x
  3. Step 3: Cross multiply
    1,979,874.77x = 2,732,227.20 × 1,074,456.77
  4. Step 4: Simplify right side
    1,979,874.77x = 2,935,660,021,610.18
  5. Step 5: Solve for x
    x = 2,935,660,021,610.18/1,979,874.77
  6. Step 6: Final answer
    x = 1,482,750.35

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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.