Home / 2,163,189.93-3,242,496.73-814,769.11

Finding the Fourth Proportional to 2,163,189.93, 3,242,496.73 and 814,769.11

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Solution

The fourth proportional to 2,163,189.93, 3,242,496.73 and 814,769.11 is: 1,221,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,189.93 : 3,242,496.73 = 814,769.11 : x
  2. Step 2: Convert to fraction form
    2,163,189.93/3,242,496.73 = 814,769.11/x
  3. Step 3: Cross multiply
    2,163,189.93x = 3,242,496.73 × 814,769.11
  4. Step 4: Simplify right side
    2,163,189.93x = 2,641,886,174,880.01
  5. Step 5: Solve for x
    x = 2,641,886,174,880.01/2,163,189.93
  6. Step 6: Final answer
    x = 1,221,291.82

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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.