Home / 2,819,423.20-4,229,134.80-1,699,679.20

Finding the Fourth Proportional to 2,819,423.20, 4,229,134.80 and 1,699,679.20

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Solution

The fourth proportional to 2,819,423.20, 4,229,134.80 and 1,699,679.20 is: 2,549,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,423.20 : 4,229,134.80 = 1,699,679.20 : x
  2. Step 2: Convert to fraction form
    2,819,423.20/4,229,134.80 = 1,699,679.20/x
  3. Step 3: Cross multiply
    2,819,423.20x = 4,229,134.80 × 1,699,679.20
  4. Step 4: Simplify right side
    2,819,423.20x = 7,188,172,453,556.16
  5. Step 5: Solve for x
    x = 7,188,172,453,556.16/2,819,423.20
  6. Step 6: Final answer
    x = 2,549,518.80

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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.