Home / 2,085,451.60-3,128,177.40-1,679,544.40

Finding the Fourth Proportional to 2,085,451.60, 3,128,177.40 and 1,679,544.40

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Solution

The fourth proportional to 2,085,451.60, 3,128,177.40 and 1,679,544.40 is: 2,519,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,451.60 : 3,128,177.40 = 1,679,544.40 : x
  2. Step 2: Convert to fraction form
    2,085,451.60/3,128,177.40 = 1,679,544.40/x
  3. Step 3: Cross multiply
    2,085,451.60x = 3,128,177.40 × 1,679,544.40
  4. Step 4: Simplify right side
    2,085,451.60x = 5,253,912,834,376.56
  5. Step 5: Solve for x
    x = 5,253,912,834,376.56/2,085,451.60
  6. Step 6: Final answer
    x = 2,519,316.60

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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.