Home / 2,576,203.30-3,863,138.55-978,235.30

Finding the Fourth Proportional to 2,576,203.30, 3,863,138.55 and 978,235.30

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Solution

The fourth proportional to 2,576,203.30, 3,863,138.55 and 978,235.30 is: 1,466,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,203.30 : 3,863,138.55 = 978,235.30 : x
  2. Step 2: Convert to fraction form
    2,576,203.30/3,863,138.55 = 978,235.30/x
  3. Step 3: Cross multiply
    2,576,203.30x = 3,863,138.55 × 978,235.30
  4. Step 4: Simplify right side
    2,576,203.30x = 3,779,058,498,400.82
  5. Step 5: Solve for x
    x = 3,779,058,498,400.82/2,576,203.30
  6. Step 6: Final answer
    x = 1,466,910.04

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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.