Home / 2,809,401.46-4,214,104.24-679,487.63

Finding the Fourth Proportional to 2,809,401.46, 4,214,104.24 and 679,487.63

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Solution

The fourth proportional to 2,809,401.46, 4,214,104.24 and 679,487.63 is: 1,019,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,401.46 : 4,214,104.24 = 679,487.63 : x
  2. Step 2: Convert to fraction form
    2,809,401.46/4,214,104.24 = 679,487.63/x
  3. Step 3: Cross multiply
    2,809,401.46x = 4,214,104.24 × 679,487.63
  4. Step 4: Simplify right side
    2,809,401.46x = 2,863,431,702,610.55
  5. Step 5: Solve for x
    x = 2,863,431,702,610.55/2,809,401.46
  6. Step 6: Final answer
    x = 1,019,231.94

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Double scale
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Similar ratio
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1.5x scale

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.