Home / 5,121,749.34-7,067,999.58-2,829,893.70

Finding the Fourth Proportional to 5,121,749.34, 7,067,999.58 and 2,829,893.70

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Solution

The fourth proportional to 5,121,749.34, 7,067,999.58 and 2,829,893.70 is: 3,905,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,749.34 : 7,067,999.58 = 2,829,893.70 : x
  2. Step 2: Convert to fraction form
    5,121,749.34/7,067,999.58 = 2,829,893.70/x
  3. Step 3: Cross multiply
    5,121,749.34x = 7,067,999.58 × 2,829,893.70
  4. Step 4: Simplify right side
    5,121,749.34x = 20,001,687,483,044.65
  5. Step 5: Solve for x
    x = 20,001,687,483,044.65/5,121,749.34
  6. Step 6: Final answer
    x = 3,905,245.29

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1.5x scale

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.