Home / 3,418,705.20-5,128,057.80-1,649,233.20

Finding the Fourth Proportional to 3,418,705.20, 5,128,057.80 and 1,649,233.20

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Solution

The fourth proportional to 3,418,705.20, 5,128,057.80 and 1,649,233.20 is: 2,473,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,705.20 : 5,128,057.80 = 1,649,233.20 : x
  2. Step 2: Convert to fraction form
    3,418,705.20/5,128,057.80 = 1,649,233.20/x
  3. Step 3: Cross multiply
    3,418,705.20x = 5,128,057.80 × 1,649,233.20
  4. Step 4: Simplify right side
    3,418,705.20x = 8,457,363,175,278.96
  5. Step 5: Solve for x
    x = 8,457,363,175,278.96/3,418,705.20
  6. Step 6: Final answer
    x = 2,473,849.80

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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.