Home / 2,131,572.60-3,200,858.10-1,424,734.20

Finding the Fourth Proportional to 2,131,572.60, 3,200,858.10 and 1,424,734.20

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Solution

The fourth proportional to 2,131,572.60, 3,200,858.10 and 1,424,734.20 is: 2,139,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,572.60 : 3,200,858.10 = 1,424,734.20 : x
  2. Step 2: Convert to fraction form
    2,131,572.60/3,200,858.10 = 1,424,734.20/x
  3. Step 3: Cross multiply
    2,131,572.60x = 3,200,858.10 × 1,424,734.20
  4. Step 4: Simplify right side
    2,131,572.60x = 4,560,372,004,417.02
  5. Step 5: Solve for x
    x = 4,560,372,004,417.02/2,131,572.60
  6. Step 6: Final answer
    x = 2,139,440.15

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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.