Home / 3,919,207.43-5,408,847.33-2,177,215.69

Finding the Fourth Proportional to 3,919,207.43, 5,408,847.33 and 2,177,215.69

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Solution

The fourth proportional to 3,919,207.43, 5,408,847.33 and 2,177,215.69 is: 3,004,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,207.43 : 5,408,847.33 = 2,177,215.69 : x
  2. Step 2: Convert to fraction form
    3,919,207.43/5,408,847.33 = 2,177,215.69/x
  3. Step 3: Cross multiply
    3,919,207.43x = 5,408,847.33 × 2,177,215.69
  4. Step 4: Simplify right side
    3,919,207.43x = 11,776,227,271,690.61
  5. Step 5: Solve for x
    x = 11,776,227,271,690.61/3,919,207.43
  6. Step 6: Final answer
    x = 3,004,747.13

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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.