Home / 5,483,985.78-7,568,754.62-3,129,188.20

Finding the Fourth Proportional to 5,483,985.78, 7,568,754.62 and 3,129,188.20

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Solution

The fourth proportional to 5,483,985.78, 7,568,754.62 and 3,129,188.20 is: 4,318,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483,985.78 : 7,568,754.62 = 3,129,188.20 : x
  2. Step 2: Convert to fraction form
    5,483,985.78/7,568,754.62 = 3,129,188.20/x
  3. Step 3: Cross multiply
    5,483,985.78x = 7,568,754.62 × 3,129,188.20
  4. Step 4: Simplify right side
    5,483,985.78x = 23,684,057,645,599.48
  5. Step 5: Solve for x
    x = 23,684,057,645,599.48/5,483,985.78
  6. Step 6: Final answer
    x = 4,318,767.15

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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.