Home / 1,815,941.80-2,723,912.70-1,619,986.60

Finding the Fourth Proportional to 1,815,941.80, 2,723,912.70 and 1,619,986.60

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Solution

The fourth proportional to 1,815,941.80, 2,723,912.70 and 1,619,986.60 is: 2,429,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,941.80 : 2,723,912.70 = 1,619,986.60 : x
  2. Step 2: Convert to fraction form
    1,815,941.80/2,723,912.70 = 1,619,986.60/x
  3. Step 3: Cross multiply
    1,815,941.80x = 2,723,912.70 × 1,619,986.60
  4. Step 4: Simplify right side
    1,815,941.80x = 4,412,702,073,569.82
  5. Step 5: Solve for x
    x = 4,412,702,073,569.82/1,815,941.80
  6. Step 6: Final answer
    x = 2,429,979.90

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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.