Home / 3,361,766.36-4,639,456.80-1,911,596.72

Finding the Fourth Proportional to 3,361,766.36, 4,639,456.80 and 1,911,596.72

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Solution

The fourth proportional to 3,361,766.36, 4,639,456.80 and 1,911,596.72 is: 2,638,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,766.36 : 4,639,456.80 = 1,911,596.72 : x
  2. Step 2: Convert to fraction form
    3,361,766.36/4,639,456.80 = 1,911,596.72/x
  3. Step 3: Cross multiply
    3,361,766.36x = 4,639,456.80 × 1,911,596.72
  4. Step 4: Simplify right side
    3,361,766.36x = 8,868,770,401,461.70
  5. Step 5: Solve for x
    x = 8,868,770,401,461.70/3,361,766.36
  6. Step 6: Final answer
    x = 2,638,128.13

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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.