Home / 1,764,187.88-2,643,830.22-921,057.80

Finding the Fourth Proportional to 1,764,187.88, 2,643,830.22 and 921,057.80

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Solution

The fourth proportional to 1,764,187.88, 2,643,830.22 and 921,057.80 is: 1,380,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,187.88 : 2,643,830.22 = 921,057.80 : x
  2. Step 2: Convert to fraction form
    1,764,187.88/2,643,830.22 = 921,057.80/x
  3. Step 3: Cross multiply
    1,764,187.88x = 2,643,830.22 × 921,057.80
  4. Step 4: Simplify right side
    1,764,187.88x = 2,435,120,446,006.72
  5. Step 5: Solve for x
    x = 2,435,120,446,006.72/1,764,187.88
  6. Step 6: Final answer
    x = 1,380,306.75

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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.