Home / 2,127,659.20-3,191,780.40-707,567.20

Finding the Fourth Proportional to 2,127,659.20, 3,191,780.40 and 707,567.20

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Solution

The fourth proportional to 2,127,659.20, 3,191,780.40 and 707,567.20 is: 1,061,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,659.20 : 3,191,780.40 = 707,567.20 : x
  2. Step 2: Convert to fraction form
    2,127,659.20/3,191,780.40 = 707,567.20/x
  3. Step 3: Cross multiply
    2,127,659.20x = 3,191,780.40 × 707,567.20
  4. Step 4: Simplify right side
    2,127,659.20x = 2,258,399,120,642.88
  5. Step 5: Solve for x
    x = 2,258,399,120,642.88/2,127,659.20
  6. Step 6: Final answer
    x = 1,061,447.77

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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.