Home / 2,409,076.53-3,618,107.87-2,120,990.31

Finding the Fourth Proportional to 2,409,076.53, 3,618,107.87 and 2,120,990.31

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Solution

The fourth proportional to 2,409,076.53, 3,618,107.87 and 2,120,990.31 is: 3,185,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409,076.53 : 3,618,107.87 = 2,120,990.31 : x
  2. Step 2: Convert to fraction form
    2,409,076.53/3,618,107.87 = 2,120,990.31/x
  3. Step 3: Cross multiply
    2,409,076.53x = 3,618,107.87 × 2,120,990.31
  4. Step 4: Simplify right side
    2,409,076.53x = 7,673,971,722,199.79
  5. Step 5: Solve for x
    x = 7,673,971,722,199.79/2,409,076.53
  6. Step 6: Final answer
    x = 3,185,441.24

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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.