Home / 5,178,529.20-7,149,432-4,603,979.52

Finding the Fourth Proportional to 5,178,529.20, 7,149,432 and 4,603,979.52

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Solution

The fourth proportional to 5,178,529.20, 7,149,432 and 4,603,979.52 is: 6,356,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,529.20 : 7,149,432 = 4,603,979.52 : x
  2. Step 2: Convert to fraction form
    5,178,529.20/7,149,432 = 4,603,979.52/x
  3. Step 3: Cross multiply
    5,178,529.20x = 7,149,432 × 4,603,979.52
  4. Step 4: Simplify right side
    5,178,529.20x = 32,915,838,507,632.64
  5. Step 5: Solve for x
    x = 32,915,838,507,632.64/5,178,529.20
  6. Step 6: Final answer
    x = 6,356,213.75

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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.