Home / 2,127,820.70-3,192,022.65-707,728.70

Finding the Fourth Proportional to 2,127,820.70, 3,192,022.65 and 707,728.70

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Solution

The fourth proportional to 2,127,820.70, 3,192,022.65 and 707,728.70 is: 1,061,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,820.70 : 3,192,022.65 = 707,728.70 : x
  2. Step 2: Convert to fraction form
    2,127,820.70/3,192,022.65 = 707,728.70/x
  3. Step 3: Cross multiply
    2,127,820.70x = 3,192,022.65 × 707,728.70
  4. Step 4: Simplify right side
    2,127,820.70x = 2,259,086,040,455.05
  5. Step 5: Solve for x
    x = 2,259,086,040,455.05/2,127,820.70
  6. Step 6: Final answer
    x = 1,061,690.04

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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.