Home / 3,868,178.16-5,335,862.04-2,415,351.36

Finding the Fourth Proportional to 3,868,178.16, 5,335,862.04 and 2,415,351.36

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Solution

The fourth proportional to 3,868,178.16, 5,335,862.04 and 2,415,351.36 is: 3,331,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,178.16 : 5,335,862.04 = 2,415,351.36 : x
  2. Step 2: Convert to fraction form
    3,868,178.16/5,335,862.04 = 2,415,351.36/x
  3. Step 3: Cross multiply
    3,868,178.16x = 5,335,862.04 × 2,415,351.36
  4. Step 4: Simplify right side
    3,868,178.16x = 12,887,981,635,086.37
  5. Step 5: Solve for x
    x = 12,887,981,635,086.37/3,868,178.16
  6. Step 6: Final answer
    x = 3,331,796.29

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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.