Home / 3,171,013.92-4,376,776.68-1,947,612.60

Finding the Fourth Proportional to 3,171,013.92, 4,376,776.68 and 1,947,612.60

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Solution

The fourth proportional to 3,171,013.92, 4,376,776.68 and 1,947,612.60 is: 2,688,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,013.92 : 4,376,776.68 = 1,947,612.60 : x
  2. Step 2: Convert to fraction form
    3,171,013.92/4,376,776.68 = 1,947,612.60/x
  3. Step 3: Cross multiply
    3,171,013.92x = 4,376,776.68 × 1,947,612.60
  4. Step 4: Simplify right side
    3,171,013.92x = 8,524,265,409,354.17
  5. Step 5: Solve for x
    x = 8,524,265,409,354.17/3,171,013.92
  6. Step 6: Final answer
    x = 2,688,182.90

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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.