Home / 6,653,186.28-9,981,011.43-2,105,379.90

Finding the Fourth Proportional to 6,653,186.28, 9,981,011.43 and 2,105,379.90

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Solution

The fourth proportional to 6,653,186.28, 9,981,011.43 and 2,105,379.90 is: 3,158,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,186.28 : 9,981,011.43 = 2,105,379.90 : x
  2. Step 2: Convert to fraction form
    6,653,186.28/9,981,011.43 = 2,105,379.90/x
  3. Step 3: Cross multiply
    6,653,186.28x = 9,981,011.43 × 2,105,379.90
  4. Step 4: Simplify right side
    6,653,186.28x = 21,013,820,846,392.25
  5. Step 5: Solve for x
    x = 21,013,820,846,392.25/6,653,186.28
  6. Step 6: Final answer
    x = 3,158,459.72

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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.