Home / 6,979,724.08-10,469,586.84-2,187,412.72

Finding the Fourth Proportional to 6,979,724.08, 10,469,586.84 and 2,187,412.72

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Solution

The fourth proportional to 6,979,724.08, 10,469,586.84 and 2,187,412.72 is: 3,281,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,724.08 : 10,469,586.84 = 2,187,412.72 : x
  2. Step 2: Convert to fraction form
    6,979,724.08/10,469,586.84 = 2,187,412.72/x
  3. Step 3: Cross multiply
    6,979,724.08x = 10,469,586.84 × 2,187,412.72
  4. Step 4: Simplify right side
    6,979,724.08x = 22,901,307,426,960.61
  5. Step 5: Solve for x
    x = 22,901,307,426,960.61/6,979,724.08
  6. Step 6: Final answer
    x = 3,281,119.31

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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.