Home / 2,183,028.80-3,012,801.36-1,216,316.48

Finding the Fourth Proportional to 2,183,028.80, 3,012,801.36 and 1,216,316.48

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Solution

The fourth proportional to 2,183,028.80, 3,012,801.36 and 1,216,316.48 is: 1,678,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,028.80 : 3,012,801.36 = 1,216,316.48 : x
  2. Step 2: Convert to fraction form
    2,183,028.80/3,012,801.36 = 1,216,316.48/x
  3. Step 3: Cross multiply
    2,183,028.80x = 3,012,801.36 × 1,216,316.48
  4. Step 4: Simplify right side
    2,183,028.80x = 3,664,519,945,134.41
  5. Step 5: Solve for x
    x = 3,664,519,945,134.41/2,183,028.80
  6. Step 6: Final answer
    x = 1,678,640.22

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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.