Home / 3,383,590.79-5,075,301.85-987,456.22

Finding the Fourth Proportional to 3,383,590.79, 5,075,301.85 and 987,456.22

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Solution

The fourth proportional to 3,383,590.79, 5,075,301.85 and 987,456.22 is: 1,481,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383,590.79 : 5,075,301.85 = 987,456.22 : x
  2. Step 2: Convert to fraction form
    3,383,590.79/5,075,301.85 = 987,456.22/x
  3. Step 3: Cross multiply
    3,383,590.79x = 5,075,301.85 × 987,456.22
  4. Step 4: Simplify right side
    3,383,590.79x = 5,011,638,365,003.11
  5. Step 5: Solve for x
    x = 5,011,638,365,003.11/3,383,590.79
  6. Step 6: Final answer
    x = 1,481,159.71

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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.