Home / 3,830,251.68-5,285,711.52-2,087,920.80

Finding the Fourth Proportional to 3,830,251.68, 5,285,711.52 and 2,087,920.80

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Solution

The fourth proportional to 3,830,251.68, 5,285,711.52 and 2,087,920.80 is: 2,881,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,251.68 : 5,285,711.52 = 2,087,920.80 : x
  2. Step 2: Convert to fraction form
    3,830,251.68/5,285,711.52 = 2,087,920.80/x
  3. Step 3: Cross multiply
    3,830,251.68x = 5,285,711.52 × 2,087,920.80
  4. Step 4: Simplify right side
    3,830,251.68x = 11,036,147,025,407.62
  5. Step 5: Solve for x
    x = 11,036,147,025,407.62/3,830,251.68
  6. Step 6: Final answer
    x = 2,881,311.19

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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.