Home / 5,162,765.90-7,124,631.12-2,839,896.39

Finding the Fourth Proportional to 5,162,765.90, 7,124,631.12 and 2,839,896.39

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Solution

The fourth proportional to 5,162,765.90, 7,124,631.12 and 2,839,896.39 is: 3,919,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,765.90 : 7,124,631.12 = 2,839,896.39 : x
  2. Step 2: Convert to fraction form
    5,162,765.90/7,124,631.12 = 2,839,896.39/x
  3. Step 3: Cross multiply
    5,162,765.90x = 7,124,631.12 × 2,839,896.39
  4. Step 4: Simplify right side
    5,162,765.90x = 20,233,214,197,769.66
  5. Step 5: Solve for x
    x = 20,233,214,197,769.66/5,162,765.90
  6. Step 6: Final answer
    x = 3,919,064.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.