Home / 2,088,129.60-3,132,194.40-1,963,713.60

Finding the Fourth Proportional to 2,088,129.60, 3,132,194.40 and 1,963,713.60

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Solution

The fourth proportional to 2,088,129.60, 3,132,194.40 and 1,963,713.60 is: 2,945,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,129.60 : 3,132,194.40 = 1,963,713.60 : x
  2. Step 2: Convert to fraction form
    2,088,129.60/3,132,194.40 = 1,963,713.60/x
  3. Step 3: Cross multiply
    2,088,129.60x = 3,132,194.40 × 1,963,713.60
  4. Step 4: Simplify right side
    2,088,129.60x = 6,150,732,741,123.84
  5. Step 5: Solve for x
    x = 6,150,732,741,123.84/2,088,129.60
  6. Step 6: Final answer
    x = 2,945,570.40

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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.