Home / 2,891,391.90-4,332,940.65-2,127,270.30

Finding the Fourth Proportional to 2,891,391.90, 4,332,940.65 and 2,127,270.30

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Solution

The fourth proportional to 2,891,391.90, 4,332,940.65 and 2,127,270.30 is: 3,187,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,391.90 : 4,332,940.65 = 2,127,270.30 : x
  2. Step 2: Convert to fraction form
    2,891,391.90/4,332,940.65 = 2,127,270.30/x
  3. Step 3: Cross multiply
    2,891,391.90x = 4,332,940.65 × 2,127,270.30
  4. Step 4: Simplify right side
    2,891,391.90x = 9,217,335,956,407.70
  5. Step 5: Solve for x
    x = 9,217,335,956,407.70/2,891,391.90
  6. Step 6: Final answer
    x = 3,187,854.25

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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.