Home / 2,534,017.72-3,496,945.08-1,388,138.80

Finding the Fourth Proportional to 2,534,017.72, 3,496,945.08 and 1,388,138.80

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Solution

The fourth proportional to 2,534,017.72, 3,496,945.08 and 1,388,138.80 is: 1,915,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534,017.72 : 3,496,945.08 = 1,388,138.80 : x
  2. Step 2: Convert to fraction form
    2,534,017.72/3,496,945.08 = 1,388,138.80/x
  3. Step 3: Cross multiply
    2,534,017.72x = 3,496,945.08 × 1,388,138.80
  4. Step 4: Simplify right side
    2,534,017.72x = 4,854,245,147,017.10
  5. Step 5: Solve for x
    x = 4,854,245,147,017.10/2,534,017.72
  6. Step 6: Final answer
    x = 1,915,631.89

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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.