Home / 2,078,220.39-2,868,422.27-1,219,057.44

Finding the Fourth Proportional to 2,078,220.39, 2,868,422.27 and 1,219,057.44

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Solution

The fourth proportional to 2,078,220.39, 2,868,422.27 and 1,219,057.44 is: 1,682,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,220.39 : 2,868,422.27 = 1,219,057.44 : x
  2. Step 2: Convert to fraction form
    2,078,220.39/2,868,422.27 = 1,219,057.44/x
  3. Step 3: Cross multiply
    2,078,220.39x = 2,868,422.27 × 1,219,057.44
  4. Step 4: Simplify right side
    2,078,220.39x = 3,496,771,503,209.90
  5. Step 5: Solve for x
    x = 3,496,771,503,209.90/2,078,220.39
  6. Step 6: Final answer
    x = 1,682,579.73

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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.