Home / 5,384,370.80-8,076,556.20-3,872,716.40

Finding the Fourth Proportional to 5,384,370.80, 8,076,556.20 and 3,872,716.40

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Solution

The fourth proportional to 5,384,370.80, 8,076,556.20 and 3,872,716.40 is: 5,809,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,370.80 : 8,076,556.20 = 3,872,716.40 : x
  2. Step 2: Convert to fraction form
    5,384,370.80/8,076,556.20 = 3,872,716.40/x
  3. Step 3: Cross multiply
    5,384,370.80x = 8,076,556.20 × 3,872,716.40
  4. Step 4: Simplify right side
    5,384,370.80x = 31,278,211,651,261.68
  5. Step 5: Solve for x
    x = 31,278,211,651,261.68/5,384,370.80
  6. Step 6: Final answer
    x = 5,809,074.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.