Home / 3,929,868.27-5,422,779.43-2,210,951.88

Finding the Fourth Proportional to 3,929,868.27, 5,422,779.43 and 2,210,951.88

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Solution

The fourth proportional to 3,929,868.27, 5,422,779.43 and 2,210,951.88 is: 3,050,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,868.27 : 5,422,779.43 = 2,210,951.88 : x
  2. Step 2: Convert to fraction form
    3,929,868.27/5,422,779.43 = 2,210,951.88/x
  3. Step 3: Cross multiply
    3,929,868.27x = 5,422,779.43 × 2,210,951.88
  4. Step 4: Simplify right side
    3,929,868.27x = 11,989,504,370,056.45
  5. Step 5: Solve for x
    x = 11,989,504,370,056.45/3,929,868.27
  6. Step 6: Final answer
    x = 3,050,866.73

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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.