Home / 4,138,513.66-6,205,960.79-2,087,912.60

Finding the Fourth Proportional to 4,138,513.66, 6,205,960.79 and 2,087,912.60

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Solution

The fourth proportional to 4,138,513.66, 6,205,960.79 and 2,087,912.60 is: 3,130,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,513.66 : 6,205,960.79 = 2,087,912.60 : x
  2. Step 2: Convert to fraction form
    4,138,513.66/6,205,960.79 = 2,087,912.60/x
  3. Step 3: Cross multiply
    4,138,513.66x = 6,205,960.79 × 2,087,912.60
  4. Step 4: Simplify right side
    4,138,513.66x = 12,957,503,715,243.17
  5. Step 5: Solve for x
    x = 12,957,503,715,243.17/4,138,513.66
  6. Step 6: Final answer
    x = 3,130,955.89

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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.