Home / 1,918,660.05-2,876,471.87-720,448.89

Finding the Fourth Proportional to 1,918,660.05, 2,876,471.87 and 720,448.89

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Solution

The fourth proportional to 1,918,660.05, 2,876,471.87 and 720,448.89 is: 1,080,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,660.05 : 2,876,471.87 = 720,448.89 : x
  2. Step 2: Convert to fraction form
    1,918,660.05/2,876,471.87 = 720,448.89/x
  3. Step 3: Cross multiply
    1,918,660.05x = 2,876,471.87 × 720,448.89
  4. Step 4: Simplify right side
    1,918,660.05x = 2,072,350,962,255.48
  5. Step 5: Solve for x
    x = 2,072,350,962,255.48/1,918,660.05
  6. Step 6: Final answer
    x = 1,080,103.25

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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.