Home / 3,110,649-4,292,695.68-1,679,865

Finding the Fourth Proportional to 3,110,649, 4,292,695.68 and 1,679,865

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Solution

The fourth proportional to 3,110,649, 4,292,695.68 and 1,679,865 is: 2,318,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,649 : 4,292,695.68 = 1,679,865 : x
  2. Step 2: Convert to fraction form
    3,110,649/4,292,695.68 = 1,679,865/x
  3. Step 3: Cross multiply
    3,110,649x = 4,292,695.68 × 1,679,865
  4. Step 4: Simplify right side
    3,110,649x = 7,211,149,228,483.20
  5. Step 5: Solve for x
    x = 7,211,149,228,483.20/3,110,649
  6. Step 6: Final answer
    x = 2,318,213.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.