Home / 3,111,616.80-4,665,558.24-1,216,100.16

Finding the Fourth Proportional to 3,111,616.80, 4,665,558.24 and 1,216,100.16

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Solution

The fourth proportional to 3,111,616.80, 4,665,558.24 and 1,216,100.16 is: 1,823,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,616.80 : 4,665,558.24 = 1,216,100.16 : x
  2. Step 2: Convert to fraction form
    3,111,616.80/4,665,558.24 = 1,216,100.16/x
  3. Step 3: Cross multiply
    3,111,616.80x = 4,665,558.24 × 1,216,100.16
  4. Step 4: Simplify right side
    3,111,616.80x = 5,673,786,122,153.32
  5. Step 5: Solve for x
    x = 5,673,786,122,153.32/3,111,616.80
  6. Step 6: Final answer
    x = 1,823,420.58

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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.