Home / 2,821,220.86-3,894,476.55-1,904,691.41

Finding the Fourth Proportional to 2,821,220.86, 3,894,476.55 and 1,904,691.41

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Solution

The fourth proportional to 2,821,220.86, 3,894,476.55 and 1,904,691.41 is: 2,629,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,220.86 : 3,894,476.55 = 1,904,691.41 : x
  2. Step 2: Convert to fraction form
    2,821,220.86/3,894,476.55 = 1,904,691.41/x
  3. Step 3: Cross multiply
    2,821,220.86x = 3,894,476.55 × 1,904,691.41
  4. Step 4: Simplify right side
    2,821,220.86x = 7,417,776,031,231.44
  5. Step 5: Solve for x
    x = 7,417,776,031,231.44/2,821,220.86
  6. Step 6: Final answer
    x = 2,629,278.74

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