Home / 5,169,657.81-7,754,778.31-1,575,542.01

Finding the Fourth Proportional to 5,169,657.81, 7,754,778.31 and 1,575,542.01

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Solution

The fourth proportional to 5,169,657.81, 7,754,778.31 and 1,575,542.01 is: 2,363,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,657.81 : 7,754,778.31 = 1,575,542.01 : x
  2. Step 2: Convert to fraction form
    5,169,657.81/7,754,778.31 = 1,575,542.01/x
  3. Step 3: Cross multiply
    5,169,657.81x = 7,754,778.31 × 1,575,542.01
  4. Step 4: Simplify right side
    5,169,657.81x = 12,217,979,001,702.95
  5. Step 5: Solve for x
    x = 12,217,979,001,702.95/5,169,657.81
  6. Step 6: Final answer
    x = 2,363,401.88

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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.