Home / 2,023,161.78-2,791,930.65-1,105,371.21

Finding the Fourth Proportional to 2,023,161.78, 2,791,930.65 and 1,105,371.21

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Solution

The fourth proportional to 2,023,161.78, 2,791,930.65 and 1,105,371.21 is: 1,525,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023,161.78 : 2,791,930.65 = 1,105,371.21 : x
  2. Step 2: Convert to fraction form
    2,023,161.78/2,791,930.65 = 1,105,371.21/x
  3. Step 3: Cross multiply
    2,023,161.78x = 2,791,930.65 × 1,105,371.21
  4. Step 4: Simplify right side
    2,023,161.78x = 3,086,119,760,773.14
  5. Step 5: Solve for x
    x = 3,086,119,760,773.14/2,023,161.78
  6. Step 6: Final answer
    x = 1,525,394.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.