Home / 3,149,048.64-4,723,645.92-1,127,430.72

Finding the Fourth Proportional to 3,149,048.64, 4,723,645.92 and 1,127,430.72

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Solution

The fourth proportional to 3,149,048.64, 4,723,645.92 and 1,127,430.72 is: 1,691,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,048.64 : 4,723,645.92 = 1,127,430.72 : x
  2. Step 2: Convert to fraction form
    3,149,048.64/4,723,645.92 = 1,127,430.72/x
  3. Step 3: Cross multiply
    3,149,048.64x = 4,723,645.92 × 1,127,430.72
  4. Step 4: Simplify right side
    3,149,048.64x = 5,325,583,520,610.66
  5. Step 5: Solve for x
    x = 5,325,583,520,610.66/3,149,048.64
  6. Step 6: Final answer
    x = 1,691,172.20

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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.