Home / 3,218,949.80-4,832,111.10-1,890,002.60

Finding the Fourth Proportional to 3,218,949.80, 4,832,111.10 and 1,890,002.60

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Solution

The fourth proportional to 3,218,949.80, 4,832,111.10 and 1,890,002.60 is: 2,837,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,949.80 : 4,832,111.10 = 1,890,002.60 : x
  2. Step 2: Convert to fraction form
    3,218,949.80/4,832,111.10 = 1,890,002.60/x
  3. Step 3: Cross multiply
    3,218,949.80x = 4,832,111.10 × 1,890,002.60
  4. Step 4: Simplify right side
    3,218,949.80x = 9,132,702,542,488.86
  5. Step 5: Solve for x
    x = 9,132,702,542,488.86/3,218,949.80
  6. Step 6: Final answer
    x = 2,837,168.37

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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.