Home / 2,115,932.32-3,173,485.32-676,229.53

Finding the Fourth Proportional to 2,115,932.32, 3,173,485.32 and 676,229.53

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Solution

The fourth proportional to 2,115,932.32, 3,173,485.32 and 676,229.53 is: 1,014,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,932.32 : 3,173,485.32 = 676,229.53 : x
  2. Step 2: Convert to fraction form
    2,115,932.32/3,173,485.32 = 676,229.53/x
  3. Step 3: Cross multiply
    2,115,932.32x = 3,173,485.32 × 676,229.53
  4. Step 4: Simplify right side
    2,115,932.32x = 2,146,004,486,405.50
  5. Step 5: Solve for x
    x = 2,146,004,486,405.50/2,115,932.32
  6. Step 6: Final answer
    x = 1,014,212.25

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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.