Home / 5,278,078.32-7,916,592.48-2,438,149.44

Finding the Fourth Proportional to 5,278,078.32, 7,916,592.48 and 2,438,149.44

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Solution

The fourth proportional to 5,278,078.32, 7,916,592.48 and 2,438,149.44 is: 3,656,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,078.32 : 7,916,592.48 = 2,438,149.44 : x
  2. Step 2: Convert to fraction form
    5,278,078.32/7,916,592.48 = 2,438,149.44/x
  3. Step 3: Cross multiply
    5,278,078.32x = 7,916,592.48 × 2,438,149.44
  4. Step 4: Simplify right side
    5,278,078.32x = 19,301,835,521,820.21
  5. Step 5: Solve for x
    x = 19,301,835,521,820.21/5,278,078.32
  6. Step 6: Final answer
    x = 3,656,981.64

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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.