Home / 3,680,340.66-5,078,513.88-2,713,991.22

Finding the Fourth Proportional to 3,680,340.66, 5,078,513.88 and 2,713,991.22

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Solution

The fourth proportional to 3,680,340.66, 5,078,513.88 and 2,713,991.22 is: 3,745,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,340.66 : 5,078,513.88 = 2,713,991.22 : x
  2. Step 2: Convert to fraction form
    3,680,340.66/5,078,513.88 = 2,713,991.22/x
  3. Step 3: Cross multiply
    3,680,340.66x = 5,078,513.88 × 2,713,991.22
  4. Step 4: Simplify right side
    3,680,340.66x = 13,783,042,080,968.13
  5. Step 5: Solve for x
    x = 13,783,042,080,968.13/3,680,340.66
  6. Step 6: Final answer
    x = 3,745,045.19

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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.