Home / 3,865,904.11-5,334,960.09-2,147,024.57

Finding the Fourth Proportional to 3,865,904.11, 5,334,960.09 and 2,147,024.57

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Solution

The fourth proportional to 3,865,904.11, 5,334,960.09 and 2,147,024.57 is: 2,962,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,904.11 : 5,334,960.09 = 2,147,024.57 : x
  2. Step 2: Convert to fraction form
    3,865,904.11/5,334,960.09 = 2,147,024.57/x
  3. Step 3: Cross multiply
    3,865,904.11x = 5,334,960.09 × 2,147,024.57
  4. Step 4: Simplify right side
    3,865,904.11x = 11,454,290,382,464.29
  5. Step 5: Solve for x
    x = 11,454,290,382,464.29/3,865,904.11
  6. Step 6: Final answer
    x = 2,962,900.80

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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.