Home / 4,811,291.20-7,218,880.80-2,116,129.60

Finding the Fourth Proportional to 4,811,291.20, 7,218,880.80 and 2,116,129.60

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Solution

The fourth proportional to 4,811,291.20, 7,218,880.80 and 2,116,129.60 is: 3,175,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,291.20 : 7,218,880.80 = 2,116,129.60 : x
  2. Step 2: Convert to fraction form
    4,811,291.20/7,218,880.80 = 2,116,129.60/x
  3. Step 3: Cross multiply
    4,811,291.20x = 7,218,880.80 × 2,116,129.60
  4. Step 4: Simplify right side
    4,811,291.20x = 15,276,087,339,751.68
  5. Step 5: Solve for x
    x = 15,276,087,339,751.68/4,811,291.20
  6. Step 6: Final answer
    x = 3,175,049.42

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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.