Home / 3,944,066.40-5,912,017.20-2,143,144.80

Finding the Fourth Proportional to 3,944,066.40, 5,912,017.20 and 2,143,144.80

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Solution

The fourth proportional to 3,944,066.40, 5,912,017.20 and 2,143,144.80 is: 3,212,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,066.40 : 5,912,017.20 = 2,143,144.80 : x
  2. Step 2: Convert to fraction form
    3,944,066.40/5,912,017.20 = 2,143,144.80/x
  3. Step 3: Cross multiply
    3,944,066.40x = 5,912,017.20 × 2,143,144.80
  4. Step 4: Simplify right side
    3,944,066.40x = 12,670,308,919,690.56
  5. Step 5: Solve for x
    x = 12,670,308,919,690.56/3,944,066.40
  6. Step 6: Final answer
    x = 3,212,498.89

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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.