Home / 2,335,519.40-3,503,279.10-820,912.55

Finding the Fourth Proportional to 2,335,519.40, 3,503,279.10 and 820,912.55

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Solution

The fourth proportional to 2,335,519.40, 3,503,279.10 and 820,912.55 is: 1,231,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335,519.40 : 3,503,279.10 = 820,912.55 : x
  2. Step 2: Convert to fraction form
    2,335,519.40/3,503,279.10 = 820,912.55/x
  3. Step 3: Cross multiply
    2,335,519.40x = 3,503,279.10 × 820,912.55
  4. Step 4: Simplify right side
    2,335,519.40x = 2,875,885,779,342.71
  5. Step 5: Solve for x
    x = 2,875,885,779,342.71/2,335,519.40
  6. Step 6: Final answer
    x = 1,231,368.83

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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.