Home / 4,128,176.80-6,192,265.20-3,862,456.30

Finding the Fourth Proportional to 4,128,176.80, 6,192,265.20 and 3,862,456.30

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Solution

The fourth proportional to 4,128,176.80, 6,192,265.20 and 3,862,456.30 is: 5,793,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,176.80 : 6,192,265.20 = 3,862,456.30 : x
  2. Step 2: Convert to fraction form
    4,128,176.80/6,192,265.20 = 3,862,456.30/x
  3. Step 3: Cross multiply
    4,128,176.80x = 6,192,265.20 × 3,862,456.30
  4. Step 4: Simplify right side
    4,128,176.80x = 23,917,353,733,010.76
  5. Step 5: Solve for x
    x = 23,917,353,733,010.76/4,128,176.80
  6. Step 6: Final answer
    x = 5,793,684.45

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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.