Home / 2,785,320.75-4,177,981.17-1,838,470.02

Finding the Fourth Proportional to 2,785,320.75, 4,177,981.17 and 1,838,470.02

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Solution

The fourth proportional to 2,785,320.75, 4,177,981.17 and 1,838,470.02 is: 2,757,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,320.75 : 4,177,981.17 = 1,838,470.02 : x
  2. Step 2: Convert to fraction form
    2,785,320.75/4,177,981.17 = 1,838,470.02/x
  3. Step 3: Cross multiply
    2,785,320.75x = 4,177,981.17 × 1,838,470.02
  4. Step 4: Simplify right side
    2,785,320.75x = 7,681,093,125,169.52
  5. Step 5: Solve for x
    x = 7,681,093,125,169.52/2,785,320.75
  6. Step 6: Final answer
    x = 2,757,705.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.