Home / 2,781,244.72-3,837,800.46-1,557,380.08

Finding the Fourth Proportional to 2,781,244.72, 3,837,800.46 and 1,557,380.08

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Solution

The fourth proportional to 2,781,244.72, 3,837,800.46 and 1,557,380.08 is: 2,149,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,244.72 : 3,837,800.46 = 1,557,380.08 : x
  2. Step 2: Convert to fraction form
    2,781,244.72/3,837,800.46 = 1,557,380.08/x
  3. Step 3: Cross multiply
    2,781,244.72x = 3,837,800.46 × 1,557,380.08
  4. Step 4: Simplify right side
    2,781,244.72x = 5,976,913,987,418.84
  5. Step 5: Solve for x
    x = 5,976,913,987,418.84/2,781,244.72
  6. Step 6: Final answer
    x = 2,149,006.86

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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.