Home / 1,921,319.73-2,882,976.50-856,114.04

Finding the Fourth Proportional to 1,921,319.73, 2,882,976.50 and 856,114.04

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Solution

The fourth proportional to 1,921,319.73, 2,882,976.50 and 856,114.04 is: 1,284,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,319.73 : 2,882,976.50 = 856,114.04 : x
  2. Step 2: Convert to fraction form
    1,921,319.73/2,882,976.50 = 856,114.04/x
  3. Step 3: Cross multiply
    1,921,319.73x = 2,882,976.50 × 856,114.04
  4. Step 4: Simplify right side
    1,921,319.73x = 2,468,156,639,944.61
  5. Step 5: Solve for x
    x = 2,468,156,639,944.61/1,921,319.73
  6. Step 6: Final answer
    x = 1,284,615.26

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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.