Home / 5,191,394.28-7,164,082.02-2,868,279.50

Finding the Fourth Proportional to 5,191,394.28, 7,164,082.02 and 2,868,279.50

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Solution

The fourth proportional to 5,191,394.28, 7,164,082.02 and 2,868,279.50 is: 3,958,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,394.28 : 7,164,082.02 = 2,868,279.50 : x
  2. Step 2: Convert to fraction form
    5,191,394.28/7,164,082.02 = 2,868,279.50/x
  3. Step 3: Cross multiply
    5,191,394.28x = 7,164,082.02 × 2,868,279.50
  4. Step 4: Simplify right side
    5,191,394.28x = 20,548,589,594,284.59
  5. Step 5: Solve for x
    x = 20,548,589,594,284.59/5,191,394.28
  6. Step 6: Final answer
    x = 3,958,202.46

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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.