Home / 3,212,113.80-4,432,723.38-1,761,821.04

Finding the Fourth Proportional to 3,212,113.80, 4,432,723.38 and 1,761,821.04

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Solution

The fourth proportional to 3,212,113.80, 4,432,723.38 and 1,761,821.04 is: 2,431,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,113.80 : 4,432,723.38 = 1,761,821.04 : x
  2. Step 2: Convert to fraction form
    3,212,113.80/4,432,723.38 = 1,761,821.04/x
  3. Step 3: Cross multiply
    3,212,113.80x = 4,432,723.38 × 1,761,821.04
  4. Step 4: Simplify right side
    3,212,113.80x = 7,809,665,315,383.92
  5. Step 5: Solve for x
    x = 7,809,665,315,383.92/3,212,113.80
  6. Step 6: Final answer
    x = 2,431,316.51

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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.