Home / 3,199,209.21-4,391,408.52-2,828,512.71

Finding the Fourth Proportional to 3,199,209.21, 4,391,408.52 and 2,828,512.71

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Solution

The fourth proportional to 3,199,209.21, 4,391,408.52 and 2,828,512.71 is: 3,882,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,209.21 : 4,391,408.52 = 2,828,512.71 : x
  2. Step 2: Convert to fraction form
    3,199,209.21/4,391,408.52 = 2,828,512.71/x
  3. Step 3: Cross multiply
    3,199,209.21x = 4,391,408.52 × 2,828,512.71
  4. Step 4: Simplify right side
    3,199,209.21x = 12,421,154,813,622.29
  5. Step 5: Solve for x
    x = 12,421,154,813,622.29/3,199,209.21
  6. Step 6: Final answer
    x = 3,882,570.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.