Home / 2,821,374.23-3,894,687.92-1,904,844.93

Finding the Fourth Proportional to 2,821,374.23, 3,894,687.92 and 1,904,844.93

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Solution

The fourth proportional to 2,821,374.23, 3,894,687.92 and 1,904,844.93 is: 2,629,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,374.23 : 3,894,687.92 = 1,904,844.93 : x
  2. Step 2: Convert to fraction form
    2,821,374.23/3,894,687.92 = 1,904,844.93/x
  3. Step 3: Cross multiply
    2,821,374.23x = 3,894,687.92 × 1,904,844.93
  4. Step 4: Simplify right side
    2,821,374.23x = 7,418,776,528,820.02
  5. Step 5: Solve for x
    x = 7,418,776,528,820.02/2,821,374.23
  6. Step 6: Final answer
    x = 2,629,490.43

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Why These Related Problems?

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