Home / 3,946,129.96-5,916,933.96-1,212,965.56

Finding the Fourth Proportional to 3,946,129.96, 5,916,933.96 and 1,212,965.56

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Solution

The fourth proportional to 3,946,129.96, 5,916,933.96 and 1,212,965.56 is: 1,818,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,129.96 : 5,916,933.96 = 1,212,965.56 : x
  2. Step 2: Convert to fraction form
    3,946,129.96/5,916,933.96 = 1,212,965.56/x
  3. Step 3: Cross multiply
    3,946,129.96x = 5,916,933.96 × 1,212,965.56
  4. Step 4: Simplify right side
    3,946,129.96x = 7,177,037,114,274.42
  5. Step 5: Solve for x
    x = 7,177,037,114,274.42/3,946,129.96
  6. Step 6: Final answer
    x = 1,818,753.36

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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.