Home / 5,179,467.16-7,769,800.43-1,721,515.69

Finding the Fourth Proportional to 5,179,467.16, 7,769,800.43 and 1,721,515.69

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Solution

The fourth proportional to 5,179,467.16, 7,769,800.43 and 1,721,515.69 is: 2,582,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,467.16 : 7,769,800.43 = 1,721,515.69 : x
  2. Step 2: Convert to fraction form
    5,179,467.16/7,769,800.43 = 1,721,515.69/x
  3. Step 3: Cross multiply
    5,179,467.16x = 7,769,800.43 × 1,721,515.69
  4. Step 4: Simplify right side
    5,179,467.16x = 13,375,833,333,293.04
  5. Step 5: Solve for x
    x = 13,375,833,333,293.04/5,179,467.16
  6. Step 6: Final answer
    x = 2,582,472.85

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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.