Home / 3,416,447.20-5,126,639.10-1,288,058.80

Finding the Fourth Proportional to 3,416,447.20, 5,126,639.10 and 1,288,058.80

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Solution

The fourth proportional to 3,416,447.20, 5,126,639.10 and 1,288,058.80 is: 1,932,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,447.20 : 5,126,639.10 = 1,288,058.80 : x
  2. Step 2: Convert to fraction form
    3,416,447.20/5,126,639.10 = 1,288,058.80/x
  3. Step 3: Cross multiply
    3,416,447.20x = 5,126,639.10 × 1,288,058.80
  4. Step 4: Simplify right side
    3,416,447.20x = 6,603,412,607,179.08
  5. Step 5: Solve for x
    x = 6,603,412,607,179.08/3,416,447.20
  6. Step 6: Final answer
    x = 1,932,830.28

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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.