Home / 6,925,939.20-9,557,612.64-3,870,178.56

Finding the Fourth Proportional to 6,925,939.20, 9,557,612.64 and 3,870,178.56

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Solution

The fourth proportional to 6,925,939.20, 9,557,612.64 and 3,870,178.56 is: 5,340,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925,939.20 : 9,557,612.64 = 3,870,178.56 : x
  2. Step 2: Convert to fraction form
    6,925,939.20/9,557,612.64 = 3,870,178.56/x
  3. Step 3: Cross multiply
    6,925,939.20x = 9,557,612.64 × 3,870,178.56
  4. Step 4: Simplify right side
    6,925,939.20x = 36,989,667,524,113
  5. Step 5: Solve for x
    x = 36,989,667,524,113/6,925,939.20
  6. Step 6: Final answer
    x = 5,340,743.90

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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.