Home / 2,781,890.28-4,172,342.16-1,265,217.96

Finding the Fourth Proportional to 2,781,890.28, 4,172,342.16 and 1,265,217.96

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Solution

The fourth proportional to 2,781,890.28, 4,172,342.16 and 1,265,217.96 is: 1,897,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,890.28 : 4,172,342.16 = 1,265,217.96 : x
  2. Step 2: Convert to fraction form
    2,781,890.28/4,172,342.16 = 1,265,217.96/x
  3. Step 3: Cross multiply
    2,781,890.28x = 4,172,342.16 × 1,265,217.96
  4. Step 4: Simplify right side
    2,781,890.28x = 5,278,922,236,097.19
  5. Step 5: Solve for x
    x = 5,278,922,236,097.19/2,781,890.28
  6. Step 6: Final answer
    x = 1,897,602.60

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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.