Home / 2,810,410.32-4,216,286.04-917,155.12

Finding the Fourth Proportional to 2,810,410.32, 4,216,286.04 and 917,155.12

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Solution

The fourth proportional to 2,810,410.32, 4,216,286.04 and 917,155.12 is: 1,375,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,410.32 : 4,216,286.04 = 917,155.12 : x
  2. Step 2: Convert to fraction form
    2,810,410.32/4,216,286.04 = 917,155.12/x
  3. Step 3: Cross multiply
    2,810,410.32x = 4,216,286.04 × 917,155.12
  4. Step 4: Simplify right side
    2,810,410.32x = 3,866,988,328,970.53
  5. Step 5: Solve for x
    x = 3,866,988,328,970.53/2,810,410.32
  6. Step 6: Final answer
    x = 1,375,951.51

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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.