Home / 5,138,849.40-7,091,332.86-2,846,873.40

Finding the Fourth Proportional to 5,138,849.40, 7,091,332.86 and 2,846,873.40

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Solution

The fourth proportional to 5,138,849.40, 7,091,332.86 and 2,846,873.40 is: 3,928,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,849.40 : 7,091,332.86 = 2,846,873.40 : x
  2. Step 2: Convert to fraction form
    5,138,849.40/7,091,332.86 = 2,846,873.40/x
  3. Step 3: Cross multiply
    5,138,849.40x = 7,091,332.86 × 2,846,873.40
  4. Step 4: Simplify right side
    5,138,849.40x = 20,188,126,889,679.93
  5. Step 5: Solve for x
    x = 20,188,126,889,679.93/5,138,849.40
  6. Step 6: Final answer
    x = 3,928,530.56

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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.