Home / 3,107,681.78-4,661,796.04-949,194.18

Finding the Fourth Proportional to 3,107,681.78, 4,661,796.04 and 949,194.18

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Solution

The fourth proportional to 3,107,681.78, 4,661,796.04 and 949,194.18 is: 1,423,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,681.78 : 4,661,796.04 = 949,194.18 : x
  2. Step 2: Convert to fraction form
    3,107,681.78/4,661,796.04 = 949,194.18/x
  3. Step 3: Cross multiply
    3,107,681.78x = 4,661,796.04 × 949,194.18
  4. Step 4: Simplify right side
    3,107,681.78x = 4,424,949,667,142.06
  5. Step 5: Solve for x
    x = 4,424,949,667,142.06/3,107,681.78
  6. Step 6: Final answer
    x = 1,423,874.77

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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.