Home / 3,118,525.80-4,677,788.70-2,661,880.20

Finding the Fourth Proportional to 3,118,525.80, 4,677,788.70 and 2,661,880.20

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Solution

The fourth proportional to 3,118,525.80, 4,677,788.70 and 2,661,880.20 is: 3,992,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,525.80 : 4,677,788.70 = 2,661,880.20 : x
  2. Step 2: Convert to fraction form
    3,118,525.80/4,677,788.70 = 2,661,880.20/x
  3. Step 3: Cross multiply
    3,118,525.80x = 4,677,788.70 × 2,661,880.20
  4. Step 4: Simplify right side
    3,118,525.80x = 12,451,713,120,313.74
  5. Step 5: Solve for x
    x = 12,451,713,120,313.74/3,118,525.80
  6. Step 6: Final answer
    x = 3,992,820.30

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Similar ratio
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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.