Home / 3,419,159.20-5,128,738.80-1,649,687.20

Finding the Fourth Proportional to 3,419,159.20, 5,128,738.80 and 1,649,687.20

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Solution

The fourth proportional to 3,419,159.20, 5,128,738.80 and 1,649,687.20 is: 2,474,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,159.20 : 5,128,738.80 = 1,649,687.20 : x
  2. Step 2: Convert to fraction form
    3,419,159.20/5,128,738.80 = 1,649,687.20/x
  3. Step 3: Cross multiply
    3,419,159.20x = 5,128,738.80 × 1,649,687.20
  4. Step 4: Simplify right side
    3,419,159.20x = 8,460,814,750,503.36
  5. Step 5: Solve for x
    x = 8,460,814,750,503.36/3,419,159.20
  6. Step 6: Final answer
    x = 2,474,530.80

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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.