Home / 2,729,727.86-4,086,193.71-1,781,055.86

Finding the Fourth Proportional to 2,729,727.86, 4,086,193.71 and 1,781,055.86

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Solution

The fourth proportional to 2,729,727.86, 4,086,193.71 and 1,781,055.86 is: 2,666,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,727.86 : 4,086,193.71 = 1,781,055.86 : x
  2. Step 2: Convert to fraction form
    2,729,727.86/4,086,193.71 = 1,781,055.86/x
  3. Step 3: Cross multiply
    2,729,727.86x = 4,086,193.71 × 1,781,055.86
  4. Step 4: Simplify right side
    2,729,727.86x = 7,277,739,252,290.64
  5. Step 5: Solve for x
    x = 7,277,739,252,290.64/2,729,727.86
  6. Step 6: Final answer
    x = 2,666,104.32

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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.