Home / 3,743,878.32-5,166,115.20-2,112,311.52

Finding the Fourth Proportional to 3,743,878.32, 5,166,115.20 and 2,112,311.52

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Solution

The fourth proportional to 3,743,878.32, 5,166,115.20 and 2,112,311.52 is: 2,914,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,878.32 : 5,166,115.20 = 2,112,311.52 : x
  2. Step 2: Convert to fraction form
    3,743,878.32/5,166,115.20 = 2,112,311.52/x
  3. Step 3: Cross multiply
    3,743,878.32x = 5,166,115.20 × 2,112,311.52
  4. Step 4: Simplify right side
    3,743,878.32x = 10,912,444,650,607.10
  5. Step 5: Solve for x
    x = 10,912,444,650,607.10/3,743,878.32
  6. Step 6: Final answer
    x = 2,914,743.41

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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.