Home / 3,871,881.27-5,342,976.69-2,152,964.88

Finding the Fourth Proportional to 3,871,881.27, 5,342,976.69 and 2,152,964.88

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Solution

The fourth proportional to 3,871,881.27, 5,342,976.69 and 2,152,964.88 is: 2,970,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,881.27 : 5,342,976.69 = 2,152,964.88 : x
  2. Step 2: Convert to fraction form
    3,871,881.27/5,342,976.69 = 2,152,964.88/x
  3. Step 3: Cross multiply
    3,871,881.27x = 5,342,976.69 × 2,152,964.88
  4. Step 4: Simplify right side
    3,871,881.27x = 11,503,241,168,228.65
  5. Step 5: Solve for x
    x = 11,503,241,168,228.65/3,871,881.27
  6. Step 6: Final answer
    x = 2,970,969.50

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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.