Home / 2,153,241.20-3,229,861.80-657,138.80

Finding the Fourth Proportional to 2,153,241.20, 3,229,861.80 and 657,138.80

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Solution

The fourth proportional to 2,153,241.20, 3,229,861.80 and 657,138.80 is: 985,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,241.20 : 3,229,861.80 = 657,138.80 : x
  2. Step 2: Convert to fraction form
    2,153,241.20/3,229,861.80 = 657,138.80/x
  3. Step 3: Cross multiply
    2,153,241.20x = 3,229,861.80 × 657,138.80
  4. Step 4: Simplify right side
    2,153,241.20x = 2,122,467,507,417.84
  5. Step 5: Solve for x
    x = 2,122,467,507,417.84/2,153,241.20
  6. Step 6: Final answer
    x = 985,708.20

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Double scale
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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.