Home / 5,191,648.30-7,164,619.18-2,868,691.14

Finding the Fourth Proportional to 5,191,648.30, 7,164,619.18 and 2,868,691.14

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Solution

The fourth proportional to 5,191,648.30, 7,164,619.18 and 2,868,691.14 is: 3,958,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,648.30 : 7,164,619.18 = 2,868,691.14 : x
  2. Step 2: Convert to fraction form
    5,191,648.30/7,164,619.18 = 2,868,691.14/x
  3. Step 3: Cross multiply
    5,191,648.30x = 7,164,619.18 × 2,868,691.14
  4. Step 4: Simplify right side
    5,191,648.30x = 20,553,079,563,140.07
  5. Step 5: Solve for x
    x = 20,553,079,563,140.07/5,191,648.30
  6. Step 6: Final answer
    x = 3,958,873.63

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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.