Home / 3,417,857.20-5,126,785.80-1,648,385.20

Finding the Fourth Proportional to 3,417,857.20, 5,126,785.80 and 1,648,385.20

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Solution

The fourth proportional to 3,417,857.20, 5,126,785.80 and 1,648,385.20 is: 2,472,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,857.20 : 5,126,785.80 = 1,648,385.20 : x
  2. Step 2: Convert to fraction form
    3,417,857.20/5,126,785.80 = 1,648,385.20/x
  3. Step 3: Cross multiply
    3,417,857.20x = 5,126,785.80 × 1,648,385.20
  4. Step 4: Simplify right side
    3,417,857.20x = 8,450,917,836,290.16
  5. Step 5: Solve for x
    x = 8,450,917,836,290.16/3,417,857.20
  6. Step 6: Final answer
    x = 2,472,577.80

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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.