Home / 1,916,115.40-2,876,505.90-968,998.60

Finding the Fourth Proportional to 1,916,115.40, 2,876,505.90 and 968,998.60

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Solution

The fourth proportional to 1,916,115.40, 2,876,505.90 and 968,998.60 is: 1,454,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,115.40 : 2,876,505.90 = 968,998.60 : x
  2. Step 2: Convert to fraction form
    1,916,115.40/2,876,505.90 = 968,998.60/x
  3. Step 3: Cross multiply
    1,916,115.40x = 2,876,505.90 × 968,998.60
  4. Step 4: Simplify right side
    1,916,115.40x = 2,787,330,189,991.74
  5. Step 5: Solve for x
    x = 2,787,330,189,991.74/1,916,115.40
  6. Step 6: Final answer
    x = 1,454,677.62

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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.