Home / 3,587,433.82-5,378,308.98-1,789,391.76

Finding the Fourth Proportional to 3,587,433.82, 5,378,308.98 and 1,789,391.76

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Solution

The fourth proportional to 3,587,433.82, 5,378,308.98 and 1,789,391.76 is: 2,682,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,433.82 : 5,378,308.98 = 1,789,391.76 : x
  2. Step 2: Convert to fraction form
    3,587,433.82/5,378,308.98 = 1,789,391.76/x
  3. Step 3: Cross multiply
    3,587,433.82x = 5,378,308.98 × 1,789,391.76
  4. Step 4: Simplify right side
    3,587,433.82x = 9,623,901,771,546.01
  5. Step 5: Solve for x
    x = 9,623,901,771,546.01/3,587,433.82
  6. Step 6: Final answer
    x = 2,682,670.19

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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.