Home / 1,768,022.80-2,645,813.40-1,618,723.60

Finding the Fourth Proportional to 1,768,022.80, 2,645,813.40 and 1,618,723.60

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Solution

The fourth proportional to 1,768,022.80, 2,645,813.40 and 1,618,723.60 is: 2,422,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,022.80 : 2,645,813.40 = 1,618,723.60 : x
  2. Step 2: Convert to fraction form
    1,768,022.80/2,645,813.40 = 1,618,723.60/x
  3. Step 3: Cross multiply
    1,768,022.80x = 2,645,813.40 × 1,618,723.60
  4. Step 4: Simplify right side
    1,768,022.80x = 4,282,840,591,776.24
  5. Step 5: Solve for x
    x = 4,282,840,591,776.24/1,768,022.80
  6. Step 6: Final answer
    x = 2,422,389.91

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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.