Home / 2,189,998.60-3,283,442.70-841,640.20

Finding the Fourth Proportional to 2,189,998.60, 3,283,442.70 and 841,640.20

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Solution

The fourth proportional to 2,189,998.60, 3,283,442.70 and 841,640.20 is: 1,261,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,998.60 : 3,283,442.70 = 841,640.20 : x
  2. Step 2: Convert to fraction form
    2,189,998.60/3,283,442.70 = 841,640.20/x
  3. Step 3: Cross multiply
    2,189,998.60x = 3,283,442.70 × 841,640.20
  4. Step 4: Simplify right side
    2,189,998.60x = 2,763,477,370,716.54
  5. Step 5: Solve for x
    x = 2,763,477,370,716.54/2,189,998.60
  6. Step 6: Final answer
    x = 1,261,862.62

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Double scale
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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.