Home / 3,414,920.20-4,712,404.85-1,886,928.91

Finding the Fourth Proportional to 3,414,920.20, 4,712,404.85 and 1,886,928.91

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Solution

The fourth proportional to 3,414,920.20, 4,712,404.85 and 1,886,928.91 is: 2,603,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414,920.20 : 4,712,404.85 = 1,886,928.91 : x
  2. Step 2: Convert to fraction form
    3,414,920.20/4,712,404.85 = 1,886,928.91/x
  3. Step 3: Cross multiply
    3,414,920.20x = 4,712,404.85 × 1,886,928.91
  4. Step 4: Simplify right side
    3,414,920.20x = 8,891,972,947,089.21
  5. Step 5: Solve for x
    x = 8,891,972,947,089.21/3,414,920.20
  6. Step 6: Final answer
    x = 2,603,859.66

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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.