Home / 3,863,557.90-5,331,443.20-2,144,543.10

Finding the Fourth Proportional to 3,863,557.90, 5,331,443.20 and 2,144,543.10

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Solution

The fourth proportional to 3,863,557.90, 5,331,443.20 and 2,144,543.10 is: 2,959,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,557.90 : 5,331,443.20 = 2,144,543.10 : x
  2. Step 2: Convert to fraction form
    3,863,557.90/5,331,443.20 = 2,144,543.10/x
  3. Step 3: Cross multiply
    3,863,557.90x = 5,331,443.20 × 2,144,543.10
  4. Step 4: Simplify right side
    3,863,557.90x = 11,433,509,727,601.92
  5. Step 5: Solve for x
    x = 11,433,509,727,601.92/3,863,557.90
  6. Step 6: Final answer
    x = 2,959,321.44

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1.5x scale

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.