Home / 2,015,295.78-2,781,080.85-1,144,122.57

Finding the Fourth Proportional to 2,015,295.78, 2,781,080.85 and 1,144,122.57

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Solution

The fourth proportional to 2,015,295.78, 2,781,080.85 and 1,144,122.57 is: 1,578,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,295.78 : 2,781,080.85 = 1,144,122.57 : x
  2. Step 2: Convert to fraction form
    2,015,295.78/2,781,080.85 = 1,144,122.57/x
  3. Step 3: Cross multiply
    2,015,295.78x = 2,781,080.85 × 1,144,122.57
  4. Step 4: Simplify right side
    2,015,295.78x = 3,181,897,369,479.78
  5. Step 5: Solve for x
    x = 3,181,897,369,479.78/2,015,295.78
  6. Step 6: Final answer
    x = 1,578,873.63

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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.