Home / 2,819,423.70-4,229,135.55-1,699,679.70

Finding the Fourth Proportional to 2,819,423.70, 4,229,135.55 and 1,699,679.70

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Solution

The fourth proportional to 2,819,423.70, 4,229,135.55 and 1,699,679.70 is: 2,549,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,423.70 : 4,229,135.55 = 1,699,679.70 : x
  2. Step 2: Convert to fraction form
    2,819,423.70/4,229,135.55 = 1,699,679.70/x
  3. Step 3: Cross multiply
    2,819,423.70x = 4,229,135.55 × 1,699,679.70
  4. Step 4: Simplify right side
    2,819,423.70x = 7,188,175,842,883.34
  5. Step 5: Solve for x
    x = 7,188,175,842,883.34/2,819,423.70
  6. Step 6: Final answer
    x = 2,549,519.55

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Double scale
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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.