Home / 5,421,131.77-7,481,024.98-3,097,876.55

Finding the Fourth Proportional to 5,421,131.77, 7,481,024.98 and 3,097,876.55

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Solution

The fourth proportional to 5,421,131.77, 7,481,024.98 and 3,097,876.55 is: 4,274,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,131.77 : 7,481,024.98 = 3,097,876.55 : x
  2. Step 2: Convert to fraction form
    5,421,131.77/7,481,024.98 = 3,097,876.55/x
  3. Step 3: Cross multiply
    5,421,131.77x = 7,481,024.98 × 3,097,876.55
  4. Step 4: Simplify right side
    5,421,131.77x = 23,175,291,810,356.40
  5. Step 5: Solve for x
    x = 23,175,291,810,356.40/5,421,131.77
  6. Step 6: Final answer
    x = 4,274,991.42

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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.