Home / 2,205,085.40-3,308,016.90-785,965.40

Finding the Fourth Proportional to 2,205,085.40, 3,308,016.90 and 785,965.40

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Solution

The fourth proportional to 2,205,085.40, 3,308,016.90 and 785,965.40 is: 1,179,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,085.40 : 3,308,016.90 = 785,965.40 : x
  2. Step 2: Convert to fraction form
    2,205,085.40/3,308,016.90 = 785,965.40/x
  3. Step 3: Cross multiply
    2,205,085.40x = 3,308,016.90 × 785,965.40
  4. Step 4: Simplify right side
    2,205,085.40x = 2,599,986,826,015.26
  5. Step 5: Solve for x
    x = 2,599,986,826,015.26/2,205,085.40
  6. Step 6: Final answer
    x = 1,179,086.68

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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.