Home / 1,918,099.71-2,876,231.57-906,377.31

Finding the Fourth Proportional to 1,918,099.71, 2,876,231.57 and 906,377.31

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Solution

The fourth proportional to 1,918,099.71, 2,876,231.57 and 906,377.31 is: 1,359,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,099.71 : 2,876,231.57 = 906,377.31 : x
  2. Step 2: Convert to fraction form
    1,918,099.71/2,876,231.57 = 906,377.31/x
  3. Step 3: Cross multiply
    1,918,099.71x = 2,876,231.57 × 906,377.31
  4. Step 4: Simplify right side
    1,918,099.71x = 2,606,951,028,821.79
  5. Step 5: Solve for x
    x = 2,606,951,028,821.79/1,918,099.71
  6. Step 6: Final answer
    x = 1,359,132.17

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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.