Home / 3,419,140.20-5,128,710.30-1,649,668.20

Finding the Fourth Proportional to 3,419,140.20, 5,128,710.30 and 1,649,668.20

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Solution

The fourth proportional to 3,419,140.20, 5,128,710.30 and 1,649,668.20 is: 2,474,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,140.20 : 5,128,710.30 = 1,649,668.20 : x
  2. Step 2: Convert to fraction form
    3,419,140.20/5,128,710.30 = 1,649,668.20/x
  3. Step 3: Cross multiply
    3,419,140.20x = 5,128,710.30 × 1,649,668.20
  4. Step 4: Simplify right side
    3,419,140.20x = 8,460,670,288,922.46
  5. Step 5: Solve for x
    x = 8,460,670,288,922.46/3,419,140.20
  6. Step 6: Final answer
    x = 2,474,502.30

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Similar ratio
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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.