Home / 1,916,132.40-2,876,531.40-969,015.60

Finding the Fourth Proportional to 1,916,132.40, 2,876,531.40 and 969,015.60

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Solution

The fourth proportional to 1,916,132.40, 2,876,531.40 and 969,015.60 is: 1,454,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,132.40 : 2,876,531.40 = 969,015.60 : x
  2. Step 2: Convert to fraction form
    1,916,132.40/2,876,531.40 = 969,015.60/x
  3. Step 3: Cross multiply
    1,916,132.40x = 2,876,531.40 × 969,015.60
  4. Step 4: Simplify right side
    1,916,132.40x = 2,787,403,800,489.84
  5. Step 5: Solve for x
    x = 2,787,403,800,489.84/1,916,132.40
  6. Step 6: Final answer
    x = 1,454,703.13

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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.