Home / 7,240,930.80-10,861,396.20-2,192,492.40

Finding the Fourth Proportional to 7,240,930.80, 10,861,396.20 and 2,192,492.40

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Solution

The fourth proportional to 7,240,930.80, 10,861,396.20 and 2,192,492.40 is: 3,288,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,930.80 : 10,861,396.20 = 2,192,492.40 : x
  2. Step 2: Convert to fraction form
    7,240,930.80/10,861,396.20 = 2,192,492.40/x
  3. Step 3: Cross multiply
    7,240,930.80x = 10,861,396.20 × 2,192,492.40
  4. Step 4: Simplify right side
    7,240,930.80x = 23,813,528,621,888.88
  5. Step 5: Solve for x
    x = 23,813,528,621,888.88/7,240,930.80
  6. Step 6: Final answer
    x = 3,288,738.60

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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.