Home / 3,929,149.50-5,894,438.13-1,623,648.20

Finding the Fourth Proportional to 3,929,149.50, 5,894,438.13 and 1,623,648.20

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Solution

The fourth proportional to 3,929,149.50, 5,894,438.13 and 1,623,648.20 is: 2,435,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,149.50 : 5,894,438.13 = 1,623,648.20 : x
  2. Step 2: Convert to fraction form
    3,929,149.50/5,894,438.13 = 1,623,648.20/x
  3. Step 3: Cross multiply
    3,929,149.50x = 5,894,438.13 × 1,623,648.20
  4. Step 4: Simplify right side
    3,929,149.50x = 9,570,493,830,313.68
  5. Step 5: Solve for x
    x = 9,570,493,830,313.68/3,929,149.50
  6. Step 6: Final answer
    x = 2,435,767.29

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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.