Home / 3,899,852.10-5,381,777.52-2,180,979.44

Finding the Fourth Proportional to 3,899,852.10, 5,381,777.52 and 2,180,979.44

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Solution

The fourth proportional to 3,899,852.10, 5,381,777.52 and 2,180,979.44 is: 3,009,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,852.10 : 5,381,777.52 = 2,180,979.44 : x
  2. Step 2: Convert to fraction form
    3,899,852.10/5,381,777.52 = 2,180,979.44/x
  3. Step 3: Cross multiply
    3,899,852.10x = 5,381,777.52 × 2,180,979.44
  4. Step 4: Simplify right side
    3,899,852.10x = 11,737,546,121,774.19
  5. Step 5: Solve for x
    x = 11,737,546,121,774.19/3,899,852.10
  6. Step 6: Final answer
    x = 3,009,741.35

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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.