Home / 2,781,838.56-4,172,757.60-1,518,977.28

Finding the Fourth Proportional to 2,781,838.56, 4,172,757.60 and 1,518,977.28

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Solution

The fourth proportional to 2,781,838.56, 4,172,757.60 and 1,518,977.28 is: 2,278,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,838.56 : 4,172,757.60 = 1,518,977.28 : x
  2. Step 2: Convert to fraction form
    2,781,838.56/4,172,757.60 = 1,518,977.28/x
  3. Step 3: Cross multiply
    2,781,838.56x = 4,172,757.60 × 1,518,977.28
  4. Step 4: Simplify right side
    2,781,838.56x = 6,338,323,989,347.33
  5. Step 5: Solve for x
    x = 6,338,323,989,347.33/2,781,838.56
  6. Step 6: Final answer
    x = 2,278,465.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.