Home / 1,979,627.78-2,731,893.63-1,074,209.78

Finding the Fourth Proportional to 1,979,627.78, 2,731,893.63 and 1,074,209.78

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Solution

The fourth proportional to 1,979,627.78, 2,731,893.63 and 1,074,209.78 is: 1,482,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,627.78 : 2,731,893.63 = 1,074,209.78 : x
  2. Step 2: Convert to fraction form
    1,979,627.78/2,731,893.63 = 1,074,209.78/x
  3. Step 3: Cross multiply
    1,979,627.78x = 2,731,893.63 × 1,074,209.78
  4. Step 4: Simplify right side
    1,979,627.78x = 2,934,626,855,265.70
  5. Step 5: Solve for x
    x = 2,934,626,855,265.70/1,979,627.78
  6. Step 6: Final answer
    x = 1,482,413.45

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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.