Home / 2,189,790.40-3,283,431.36-673,078.72

Finding the Fourth Proportional to 2,189,790.40, 3,283,431.36 and 673,078.72

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Solution

The fourth proportional to 2,189,790.40, 3,283,431.36 and 673,078.72 is: 1,009,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,790.40 : 3,283,431.36 = 673,078.72 : x
  2. Step 2: Convert to fraction form
    2,189,790.40/3,283,431.36 = 673,078.72/x
  3. Step 3: Cross multiply
    2,189,790.40x = 3,283,431.36 × 673,078.72
  4. Step 4: Simplify right side
    2,189,790.40x = 2,210,007,776,996.66
  5. Step 5: Solve for x
    x = 2,210,007,776,996.66/2,189,790.40
  6. Step 6: Final answer
    x = 1,009,232.56

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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.