Home / 2,019,881.88-2,786,601.42-1,408,396.68

Finding the Fourth Proportional to 2,019,881.88, 2,786,601.42 and 1,408,396.68

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Solution

The fourth proportional to 2,019,881.88, 2,786,601.42 and 1,408,396.68 is: 1,943,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,881.88 : 2,786,601.42 = 1,408,396.68 : x
  2. Step 2: Convert to fraction form
    2,019,881.88/2,786,601.42 = 1,408,396.68/x
  3. Step 3: Cross multiply
    2,019,881.88x = 2,786,601.42 × 1,408,396.68
  4. Step 4: Simplify right side
    2,019,881.88x = 3,924,640,188,411.29
  5. Step 5: Solve for x
    x = 3,924,640,188,411.29/2,019,881.88
  6. Step 6: Final answer
    x = 1,943,004.80

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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.