Home / 7,278,916.82-10,917,981.56-2,230,241.90

Finding the Fourth Proportional to 7,278,916.82, 10,917,981.56 and 2,230,241.90

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Solution

The fourth proportional to 7,278,916.82, 10,917,981.56 and 2,230,241.90 is: 3,345,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,916.82 : 10,917,981.56 = 2,230,241.90 : x
  2. Step 2: Convert to fraction form
    7,278,916.82/10,917,981.56 = 2,230,241.90/x
  3. Step 3: Cross multiply
    7,278,916.82x = 10,917,981.56 × 2,230,241.90
  4. Step 4: Simplify right side
    7,278,916.82x = 24,349,739,938,539.36
  5. Step 5: Solve for x
    x = 24,349,739,938,539.36/7,278,916.82
  6. Step 6: Final answer
    x = 3,345,242.23

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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.