Home / 2,758,805.46-4,138,596.18-961,430.85

Finding the Fourth Proportional to 2,758,805.46, 4,138,596.18 and 961,430.85

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Solution

The fourth proportional to 2,758,805.46, 4,138,596.18 and 961,430.85 is: 1,442,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,805.46 : 4,138,596.18 = 961,430.85 : x
  2. Step 2: Convert to fraction form
    2,758,805.46/4,138,596.18 = 961,430.85/x
  3. Step 3: Cross multiply
    2,758,805.46x = 4,138,596.18 × 961,430.85
  4. Step 4: Simplify right side
    2,758,805.46x = 3,978,974,043,144.15
  5. Step 5: Solve for x
    x = 3,978,974,043,144.15/2,758,805.46
  6. Step 6: Final answer
    x = 1,442,281.49

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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.