Home / 5,269,577.50-7,272,021.81-2,855,129.50

Finding the Fourth Proportional to 5,269,577.50, 7,272,021.81 and 2,855,129.50

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Solution

The fourth proportional to 5,269,577.50, 7,272,021.81 and 2,855,129.50 is: 3,940,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269,577.50 : 7,272,021.81 = 2,855,129.50 : x
  2. Step 2: Convert to fraction form
    5,269,577.50/7,272,021.81 = 2,855,129.50/x
  3. Step 3: Cross multiply
    5,269,577.50x = 7,272,021.81 × 2,855,129.50
  4. Step 4: Simplify right side
    5,269,577.50x = 20,762,563,994,374.39
  5. Step 5: Solve for x
    x = 20,762,563,994,374.39/5,269,577.50
  6. Step 6: Final answer
    x = 3,940,081.34

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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.