Home / 2,154,577.14-3,231,860.31-638,378.10

Finding the Fourth Proportional to 2,154,577.14, 3,231,860.31 and 638,378.10

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Solution

The fourth proportional to 2,154,577.14, 3,231,860.31 and 638,378.10 is: 957,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,577.14 : 3,231,860.31 = 638,378.10 : x
  2. Step 2: Convert to fraction form
    2,154,577.14/3,231,860.31 = 638,378.10/x
  3. Step 3: Cross multiply
    2,154,577.14x = 3,231,860.31 × 638,378.10
  4. Step 4: Simplify right side
    2,154,577.14x = 2,063,148,844,163.21
  5. Step 5: Solve for x
    x = 2,063,148,844,163.21/2,154,577.14
  6. Step 6: Final answer
    x = 957,565.55

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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.