Home / 3,157,505.20-4,736,257.80-3,115,514.80

Finding the Fourth Proportional to 3,157,505.20, 4,736,257.80 and 3,115,514.80

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Solution

The fourth proportional to 3,157,505.20, 4,736,257.80 and 3,115,514.80 is: 4,673,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,505.20 : 4,736,257.80 = 3,115,514.80 : x
  2. Step 2: Convert to fraction form
    3,157,505.20/4,736,257.80 = 3,115,514.80/x
  3. Step 3: Cross multiply
    3,157,505.20x = 4,736,257.80 × 3,115,514.80
  4. Step 4: Simplify right side
    3,157,505.20x = 14,755,881,272,515.44
  5. Step 5: Solve for x
    x = 14,755,881,272,515.44/3,157,505.20
  6. Step 6: Final answer
    x = 4,673,272.20

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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.