Home / 2,126,956.88-3,189,502.20-778,770.20

Finding the Fourth Proportional to 2,126,956.88, 3,189,502.20 and 778,770.20

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Solution

The fourth proportional to 2,126,956.88, 3,189,502.20 and 778,770.20 is: 1,167,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,956.88 : 3,189,502.20 = 778,770.20 : x
  2. Step 2: Convert to fraction form
    2,126,956.88/3,189,502.20 = 778,770.20/x
  3. Step 3: Cross multiply
    2,126,956.88x = 3,189,502.20 × 778,770.20
  4. Step 4: Simplify right side
    2,126,956.88x = 2,483,889,266,194.44
  5. Step 5: Solve for x
    x = 2,483,889,266,194.44/2,126,956.88
  6. Step 6: Final answer
    x = 1,167,813.64

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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.