Home / 2,220,768.62-3,069,825.63-1,981,423.34

Finding the Fourth Proportional to 2,220,768.62, 3,069,825.63 and 1,981,423.34

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Solution

The fourth proportional to 2,220,768.62, 3,069,825.63 and 1,981,423.34 is: 2,738,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,768.62 : 3,069,825.63 = 1,981,423.34 : x
  2. Step 2: Convert to fraction form
    2,220,768.62/3,069,825.63 = 1,981,423.34/x
  3. Step 3: Cross multiply
    2,220,768.62x = 3,069,825.63 × 1,981,423.34
  4. Step 4: Simplify right side
    2,220,768.62x = 6,082,624,153,012.20
  5. Step 5: Solve for x
    x = 6,082,624,153,012.20/2,220,768.62
  6. Step 6: Final answer
    x = 2,738,972.49

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1.5x scale

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.