Home / 2,215,136.70-3,322,705.05-1,648,266.30

Finding the Fourth Proportional to 2,215,136.70, 3,322,705.05 and 1,648,266.30

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Solution

The fourth proportional to 2,215,136.70, 3,322,705.05 and 1,648,266.30 is: 2,472,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,136.70 : 3,322,705.05 = 1,648,266.30 : x
  2. Step 2: Convert to fraction form
    2,215,136.70/3,322,705.05 = 1,648,266.30/x
  3. Step 3: Cross multiply
    2,215,136.70x = 3,322,705.05 × 1,648,266.30
  4. Step 4: Simplify right side
    2,215,136.70x = 5,476,702,758,754.81
  5. Step 5: Solve for x
    x = 5,476,702,758,754.81/2,215,136.70
  6. Step 6: Final answer
    x = 2,472,399.45

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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.