Home / 3,929,590.80-5,882,576.40-2,331,331.20

Finding the Fourth Proportional to 3,929,590.80, 5,882,576.40 and 2,331,331.20

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Solution

The fourth proportional to 3,929,590.80, 5,882,576.40 and 2,331,331.20 is: 3,489,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,590.80 : 5,882,576.40 = 2,331,331.20 : x
  2. Step 2: Convert to fraction form
    3,929,590.80/5,882,576.40 = 2,331,331.20/x
  3. Step 3: Cross multiply
    3,929,590.80x = 5,882,576.40 × 2,331,331.20
  4. Step 4: Simplify right side
    3,929,590.80x = 13,714,233,897,703.68
  5. Step 5: Solve for x
    x = 13,714,233,897,703.68/3,929,590.80
  6. Step 6: Final answer
    x = 3,489,990.33

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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.