Home / 3,361,759.35-4,639,447.13-1,911,589.72

Finding the Fourth Proportional to 3,361,759.35, 4,639,447.13 and 1,911,589.72

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Solution

The fourth proportional to 3,361,759.35, 4,639,447.13 and 1,911,589.72 is: 2,638,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,759.35 : 4,639,447.13 = 1,911,589.72 : x
  2. Step 2: Convert to fraction form
    3,361,759.35/4,639,447.13 = 1,911,589.72/x
  3. Step 3: Cross multiply
    3,361,759.35x = 4,639,447.13 × 1,911,589.72
  4. Step 4: Simplify right side
    3,361,759.35x = 8,868,719,445,131.83
  5. Step 5: Solve for x
    x = 8,868,719,445,131.83/3,361,759.35
  6. Step 6: Final answer
    x = 2,638,118.47

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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.