Home / 1,816,310.40-2,726,020.80-806,985.60

Finding the Fourth Proportional to 1,816,310.40, 2,726,020.80 and 806,985.60

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Solution

The fourth proportional to 1,816,310.40, 2,726,020.80 and 806,985.60 is: 1,211,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,310.40 : 2,726,020.80 = 806,985.60 : x
  2. Step 2: Convert to fraction form
    1,816,310.40/2,726,020.80 = 806,985.60/x
  3. Step 3: Cross multiply
    1,816,310.40x = 2,726,020.80 × 806,985.60
  4. Step 4: Simplify right side
    1,816,310.40x = 2,199,859,530,900.48
  5. Step 5: Solve for x
    x = 2,199,859,530,900.48/1,816,310.40
  6. Step 6: Final answer
    x = 1,211,169.37

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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.