Home / 3,813,205.07-5,260,942.71-2,159,126.55

Finding the Fourth Proportional to 3,813,205.07, 5,260,942.71 and 2,159,126.55

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Solution

The fourth proportional to 3,813,205.07, 5,260,942.71 and 2,159,126.55 is: 2,978,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813,205.07 : 5,260,942.71 = 2,159,126.55 : x
  2. Step 2: Convert to fraction form
    3,813,205.07/5,260,942.71 = 2,159,126.55/x
  3. Step 3: Cross multiply
    3,813,205.07x = 5,260,942.71 × 2,159,126.55
  4. Step 4: Simplify right side
    3,813,205.07x = 11,359,041,083,189.95
  5. Step 5: Solve for x
    x = 11,359,041,083,189.95/3,813,205.07
  6. Step 6: Final answer
    x = 2,978,869.71

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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.