Home / 3,101,899.39-4,275,877.01-2,181,620.72

Finding the Fourth Proportional to 3,101,899.39, 4,275,877.01 and 2,181,620.72

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Solution

The fourth proportional to 3,101,899.39, 4,275,877.01 and 2,181,620.72 is: 3,007,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,899.39 : 4,275,877.01 = 2,181,620.72 : x
  2. Step 2: Convert to fraction form
    3,101,899.39/4,275,877.01 = 2,181,620.72/x
  3. Step 3: Cross multiply
    3,101,899.39x = 4,275,877.01 × 2,181,620.72
  4. Step 4: Simplify right side
    3,101,899.39x = 9,328,341,880,969.24
  5. Step 5: Solve for x
    x = 9,328,341,880,969.24/3,101,899.39
  6. Step 6: Final answer
    x = 3,007,299.95

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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.