Home / 3,190,734.40-4,786,101.60-2,129,051.20

Finding the Fourth Proportional to 3,190,734.40, 4,786,101.60 and 2,129,051.20

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Solution

The fourth proportional to 3,190,734.40, 4,786,101.60 and 2,129,051.20 is: 3,193,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,734.40 : 4,786,101.60 = 2,129,051.20 : x
  2. Step 2: Convert to fraction form
    3,190,734.40/4,786,101.60 = 2,129,051.20/x
  3. Step 3: Cross multiply
    3,190,734.40x = 4,786,101.60 × 2,129,051.20
  4. Step 4: Simplify right side
    3,190,734.40x = 10,189,855,354,801.92
  5. Step 5: Solve for x
    x = 10,189,855,354,801.92/3,190,734.40
  6. Step 6: Final answer
    x = 3,193,576.80

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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.