Home / 2,235,854.85-3,353,837.40-815,910.47

Finding the Fourth Proportional to 2,235,854.85, 3,353,837.40 and 815,910.47

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Solution

The fourth proportional to 2,235,854.85, 3,353,837.40 and 815,910.47 is: 1,223,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,854.85 : 3,353,837.40 = 815,910.47 : x
  2. Step 2: Convert to fraction form
    2,235,854.85/3,353,837.40 = 815,910.47/x
  3. Step 3: Cross multiply
    2,235,854.85x = 3,353,837.40 × 815,910.47
  4. Step 4: Simplify right side
    2,235,854.85x = 2,736,431,045,145.28
  5. Step 5: Solve for x
    x = 2,736,431,045,145.28/2,235,854.85
  6. Step 6: Final answer
    x = 1,223,885.82

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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.