Home / 1,912,605.38-2,869,286.64-546,390.87

Finding the Fourth Proportional to 1,912,605.38, 2,869,286.64 and 546,390.87

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Solution

The fourth proportional to 1,912,605.38, 2,869,286.64 and 546,390.87 is: 819,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,605.38 : 2,869,286.64 = 546,390.87 : x
  2. Step 2: Convert to fraction form
    1,912,605.38/2,869,286.64 = 546,390.87/x
  3. Step 3: Cross multiply
    1,912,605.38x = 2,869,286.64 × 546,390.87
  4. Step 4: Simplify right side
    1,912,605.38x = 1,567,752,023,508.98
  5. Step 5: Solve for x
    x = 1,567,752,023,508.98/1,912,605.38
  6. Step 6: Final answer
    x = 819,694.45

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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.