Home / 2,219,311.36-3,062,648.64-1,252,644.40

Finding the Fourth Proportional to 2,219,311.36, 3,062,648.64 and 1,252,644.40

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Solution

The fourth proportional to 2,219,311.36, 3,062,648.64 and 1,252,644.40 is: 1,728,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,311.36 : 3,062,648.64 = 1,252,644.40 : x
  2. Step 2: Convert to fraction form
    2,219,311.36/3,062,648.64 = 1,252,644.40/x
  3. Step 3: Cross multiply
    2,219,311.36x = 3,062,648.64 × 1,252,644.40
  4. Step 4: Simplify right side
    2,219,311.36x = 3,836,409,668,063.62
  5. Step 5: Solve for x
    x = 3,836,409,668,063.62/2,219,311.36
  6. Step 6: Final answer
    x = 1,728,648.69

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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.