Home / 5,087,463.68-7,021,091.40-2,912,691.44

Finding the Fourth Proportional to 5,087,463.68, 7,021,091.40 and 2,912,691.44

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Solution

The fourth proportional to 5,087,463.68, 7,021,091.40 and 2,912,691.44 is: 4,019,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,463.68 : 7,021,091.40 = 2,912,691.44 : x
  2. Step 2: Convert to fraction form
    5,087,463.68/7,021,091.40 = 2,912,691.44/x
  3. Step 3: Cross multiply
    5,087,463.68x = 7,021,091.40 × 2,912,691.44
  4. Step 4: Simplify right side
    5,087,463.68x = 20,450,272,820,237.62
  5. Step 5: Solve for x
    x = 20,450,272,820,237.62/5,087,463.68
  6. Step 6: Final answer
    x = 4,019,738.34

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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.