Home / 2,049,845.80-3,074,768.70-1,209,346.60

Finding the Fourth Proportional to 2,049,845.80, 3,074,768.70 and 1,209,346.60

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Solution

The fourth proportional to 2,049,845.80, 3,074,768.70 and 1,209,346.60 is: 1,814,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,845.80 : 3,074,768.70 = 1,209,346.60 : x
  2. Step 2: Convert to fraction form
    2,049,845.80/3,074,768.70 = 1,209,346.60/x
  3. Step 3: Cross multiply
    2,049,845.80x = 3,074,768.70 × 1,209,346.60
  4. Step 4: Simplify right side
    2,049,845.80x = 3,718,461,073,131.42
  5. Step 5: Solve for x
    x = 3,718,461,073,131.42/2,049,845.80
  6. Step 6: Final answer
    x = 1,814,019.90

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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.