Home / 2,131,242.30-3,196,863.45-1,898,999.10

Finding the Fourth Proportional to 2,131,242.30, 3,196,863.45 and 1,898,999.10

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Solution

The fourth proportional to 2,131,242.30, 3,196,863.45 and 1,898,999.10 is: 2,848,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,242.30 : 3,196,863.45 = 1,898,999.10 : x
  2. Step 2: Convert to fraction form
    2,131,242.30/3,196,863.45 = 1,898,999.10/x
  3. Step 3: Cross multiply
    2,131,242.30x = 3,196,863.45 × 1,898,999.10
  4. Step 4: Simplify right side
    2,131,242.30x = 6,070,840,814,372.90
  5. Step 5: Solve for x
    x = 6,070,840,814,372.90/2,131,242.30
  6. Step 6: Final answer
    x = 2,848,498.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.