Home / 3,886,853.12-5,363,843.28-2,167,972.32

Finding the Fourth Proportional to 3,886,853.12, 5,363,843.28 and 2,167,972.32

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Solution

The fourth proportional to 3,886,853.12, 5,363,843.28 and 2,167,972.32 is: 2,991,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,853.12 : 5,363,843.28 = 2,167,972.32 : x
  2. Step 2: Convert to fraction form
    3,886,853.12/5,363,843.28 = 2,167,972.32/x
  3. Step 3: Cross multiply
    3,886,853.12x = 5,363,843.28 × 2,167,972.32
  4. Step 4: Simplify right side
    3,886,853.12x = 11,628,663,759,858.01
  5. Step 5: Solve for x
    x = 11,628,663,759,858.01/3,886,853.12
  6. Step 6: Final answer
    x = 2,991,793.98

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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.