Home / 3,162,121.20-4,363,728.70-1,711,816.60

Finding the Fourth Proportional to 3,162,121.20, 4,363,728.70 and 1,711,816.60

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Solution

The fourth proportional to 3,162,121.20, 4,363,728.70 and 1,711,816.60 is: 2,362,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,121.20 : 4,363,728.70 = 1,711,816.60 : x
  2. Step 2: Convert to fraction form
    3,162,121.20/4,363,728.70 = 1,711,816.60/x
  3. Step 3: Cross multiply
    3,162,121.20x = 4,363,728.70 × 1,711,816.60
  4. Step 4: Simplify right side
    3,162,121.20x = 7,469,903,226,556.42
  5. Step 5: Solve for x
    x = 7,469,903,226,556.42/3,162,121.20
  6. Step 6: Final answer
    x = 2,362,307.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.