Home / 5,191,437.45-7,164,331.31-2,899,745.76

Finding the Fourth Proportional to 5,191,437.45, 7,164,331.31 and 2,899,745.76

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Solution

The fourth proportional to 5,191,437.45, 7,164,331.31 and 2,899,745.76 is: 4,001,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,437.45 : 7,164,331.31 = 2,899,745.76 : x
  2. Step 2: Convert to fraction form
    5,191,437.45/7,164,331.31 = 2,899,745.76/x
  3. Step 3: Cross multiply
    5,191,437.45x = 7,164,331.31 × 2,899,745.76
  4. Step 4: Simplify right side
    5,191,437.45x = 20,774,739,304,919.20
  5. Step 5: Solve for x
    x = 20,774,739,304,919.20/5,191,437.45
  6. Step 6: Final answer
    x = 4,001,731.61

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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.