Home / 2,613,885.60-3,921,022.80-930,770.40

Finding the Fourth Proportional to 2,613,885.60, 3,921,022.80 and 930,770.40

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Solution

The fourth proportional to 2,613,885.60, 3,921,022.80 and 930,770.40 is: 1,396,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,885.60 : 3,921,022.80 = 930,770.40 : x
  2. Step 2: Convert to fraction form
    2,613,885.60/3,921,022.80 = 930,770.40/x
  3. Step 3: Cross multiply
    2,613,885.60x = 3,921,022.80 × 930,770.40
  4. Step 4: Simplify right side
    2,613,885.60x = 3,649,571,959,965.12
  5. Step 5: Solve for x
    x = 3,649,571,959,965.12/2,613,885.60
  6. Step 6: Final answer
    x = 1,396,224.82

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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.