Home / 2,143,645.48-3,213,022.02-863,433.09

Finding the Fourth Proportional to 2,143,645.48, 3,213,022.02 and 863,433.09

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Solution

The fourth proportional to 2,143,645.48, 3,213,022.02 and 863,433.09 is: 1,294,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,645.48 : 3,213,022.02 = 863,433.09 : x
  2. Step 2: Convert to fraction form
    2,143,645.48/3,213,022.02 = 863,433.09/x
  3. Step 3: Cross multiply
    2,143,645.48x = 3,213,022.02 × 863,433.09
  4. Step 4: Simplify right side
    2,143,645.48x = 2,774,229,530,966.64
  5. Step 5: Solve for x
    x = 2,774,229,530,966.64/2,143,645.48
  6. Step 6: Final answer
    x = 1,294,164.34

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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.