Home / 2,862,279.52-3,949,778.90-1,573,120.98

Finding the Fourth Proportional to 2,862,279.52, 3,949,778.90 and 1,573,120.98

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Solution

The fourth proportional to 2,862,279.52, 3,949,778.90 and 1,573,120.98 is: 2,170,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,279.52 : 3,949,778.90 = 1,573,120.98 : x
  2. Step 2: Convert to fraction form
    2,862,279.52/3,949,778.90 = 1,573,120.98/x
  3. Step 3: Cross multiply
    2,862,279.52x = 3,949,778.90 × 1,573,120.98
  4. Step 4: Simplify right side
    2,862,279.52x = 6,213,480,057,884.12
  5. Step 5: Solve for x
    x = 6,213,480,057,884.12/2,862,279.52
  6. Step 6: Final answer
    x = 2,170,815.26

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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.