Home / 2,667,869.86-4,001,791.40-646,113.71

Finding the Fourth Proportional to 2,667,869.86, 4,001,791.40 and 646,113.71

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Solution

The fourth proportional to 2,667,869.86, 4,001,791.40 and 646,113.71 is: 969,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,869.86 : 4,001,791.40 = 646,113.71 : x
  2. Step 2: Convert to fraction form
    2,667,869.86/4,001,791.40 = 646,113.71/x
  3. Step 3: Cross multiply
    2,667,869.86x = 4,001,791.40 × 646,113.71
  4. Step 4: Simplify right side
    2,667,869.86x = 2,585,612,267,283.49
  5. Step 5: Solve for x
    x = 2,585,612,267,283.49/2,667,869.86
  6. Step 6: Final answer
    x = 969,167.32

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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.