Home / 4,800,121.26-7,200,188.80-1,960,233.40

Finding the Fourth Proportional to 4,800,121.26, 7,200,188.80 and 1,960,233.40

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Solution

The fourth proportional to 4,800,121.26, 7,200,188.80 and 1,960,233.40 is: 2,940,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,121.26 : 7,200,188.80 = 1,960,233.40 : x
  2. Step 2: Convert to fraction form
    4,800,121.26/7,200,188.80 = 1,960,233.40/x
  3. Step 3: Cross multiply
    4,800,121.26x = 7,200,188.80 × 1,960,233.40
  4. Step 4: Simplify right side
    4,800,121.26x = 14,114,050,572,065.92
  5. Step 5: Solve for x
    x = 14,114,050,572,065.92/4,800,121.26
  6. Step 6: Final answer
    x = 2,940,352.92

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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.