Home / 2,207,475.20-3,311,212.80-1,640,604.80

Finding the Fourth Proportional to 2,207,475.20, 3,311,212.80 and 1,640,604.80

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Solution

The fourth proportional to 2,207,475.20, 3,311,212.80 and 1,640,604.80 is: 2,460,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,475.20 : 3,311,212.80 = 1,640,604.80 : x
  2. Step 2: Convert to fraction form
    2,207,475.20/3,311,212.80 = 1,640,604.80/x
  3. Step 3: Cross multiply
    2,207,475.20x = 3,311,212.80 × 1,640,604.80
  4. Step 4: Simplify right side
    2,207,475.20x = 5,432,391,613,501.44
  5. Step 5: Solve for x
    x = 5,432,391,613,501.44/2,207,475.20
  6. Step 6: Final answer
    x = 2,460,907.20

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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.