Home / 2,190,404.13-3,022,694.04-1,210,327.55

Finding the Fourth Proportional to 2,190,404.13, 3,022,694.04 and 1,210,327.55

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Solution

The fourth proportional to 2,190,404.13, 3,022,694.04 and 1,210,327.55 is: 1,670,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,404.13 : 3,022,694.04 = 1,210,327.55 : x
  2. Step 2: Convert to fraction form
    2,190,404.13/3,022,694.04 = 1,210,327.55/x
  3. Step 3: Cross multiply
    2,190,404.13x = 3,022,694.04 × 1,210,327.55
  4. Step 4: Simplify right side
    2,190,404.13x = 3,658,449,872,593.16
  5. Step 5: Solve for x
    x = 3,658,449,872,593.16/2,190,404.13
  6. Step 6: Final answer
    x = 1,670,216.85

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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.