Home / 2,726,721.80-4,090,044.30-1,230,811.40

Finding the Fourth Proportional to 2,726,721.80, 4,090,044.30 and 1,230,811.40

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Solution

The fourth proportional to 2,726,721.80, 4,090,044.30 and 1,230,811.40 is: 1,846,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,721.80 : 4,090,044.30 = 1,230,811.40 : x
  2. Step 2: Convert to fraction form
    2,726,721.80/4,090,044.30 = 1,230,811.40/x
  3. Step 3: Cross multiply
    2,726,721.80x = 4,090,044.30 × 1,230,811.40
  4. Step 4: Simplify right side
    2,726,721.80x = 5,034,073,150,945.02
  5. Step 5: Solve for x
    x = 5,034,073,150,945.02/2,726,721.80
  6. Step 6: Final answer
    x = 1,846,199.77

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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.