Home / 6,543,520-9,029,331.84-3,642,242.56

Finding the Fourth Proportional to 6,543,520, 9,029,331.84 and 3,642,242.56

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Solution

The fourth proportional to 6,543,520, 9,029,331.84 and 3,642,242.56 is: 5,025,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543,520 : 9,029,331.84 = 3,642,242.56 : x
  2. Step 2: Convert to fraction form
    6,543,520/9,029,331.84 = 3,642,242.56/x
  3. Step 3: Cross multiply
    6,543,520x = 9,029,331.84 × 3,642,242.56
  4. Step 4: Simplify right side
    6,543,520x = 32,887,016,716,011.11
  5. Step 5: Solve for x
    x = 32,887,016,716,011.11/6,543,520
  6. Step 6: Final answer
    x = 5,025,890.76

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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.