Home / 3,836,964.80-5,295,012.48-2,118,086.40

Finding the Fourth Proportional to 3,836,964.80, 5,295,012.48 and 2,118,086.40

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Solution

The fourth proportional to 3,836,964.80, 5,295,012.48 and 2,118,086.40 is: 2,922,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,964.80 : 5,295,012.48 = 2,118,086.40 : x
  2. Step 2: Convert to fraction form
    3,836,964.80/5,295,012.48 = 2,118,086.40/x
  3. Step 3: Cross multiply
    3,836,964.80x = 5,295,012.48 × 2,118,086.40
  4. Step 4: Simplify right side
    3,836,964.80x = 11,215,293,921,718.27
  5. Step 5: Solve for x
    x = 11,215,293,921,718.27/3,836,964.80
  6. Step 6: Final answer
    x = 2,922,959.81

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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.