Home / 5,181,617.38-7,764,749.76-2,103,865.55

Finding the Fourth Proportional to 5,181,617.38, 7,764,749.76 and 2,103,865.55

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Solution

The fourth proportional to 5,181,617.38, 7,764,749.76 and 2,103,865.55 is: 3,152,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,617.38 : 7,764,749.76 = 2,103,865.55 : x
  2. Step 2: Convert to fraction form
    5,181,617.38/7,764,749.76 = 2,103,865.55/x
  3. Step 3: Cross multiply
    5,181,617.38x = 7,764,749.76 × 2,103,865.55
  4. Step 4: Simplify right side
    5,181,617.38x = 16,335,989,524,434.77
  5. Step 5: Solve for x
    x = 16,335,989,524,434.77/5,181,617.38
  6. Step 6: Final answer
    x = 3,152,681.55

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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.