Home / 3,102,635.88-4,278,107.40-2,184,571.56

Finding the Fourth Proportional to 3,102,635.88, 4,278,107.40 and 2,184,571.56

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Solution

The fourth proportional to 3,102,635.88, 4,278,107.40 and 2,184,571.56 is: 3,012,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,635.88 : 4,278,107.40 = 2,184,571.56 : x
  2. Step 2: Convert to fraction form
    3,102,635.88/4,278,107.40 = 2,184,571.56/x
  3. Step 3: Cross multiply
    3,102,635.88x = 4,278,107.40 × 2,184,571.56
  4. Step 4: Simplify right side
    3,102,635.88x = 9,345,831,756,665.55
  5. Step 5: Solve for x
    x = 9,345,831,756,665.55/3,102,635.88
  6. Step 6: Final answer
    x = 3,012,223.19

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1.5x scale

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.