Home / 1,933,295.88-2,668,692.30-1,288,480.80

Finding the Fourth Proportional to 1,933,295.88, 2,668,692.30 and 1,288,480.80

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Solution

The fourth proportional to 1,933,295.88, 2,668,692.30 and 1,288,480.80 is: 1,778,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,295.88 : 2,668,692.30 = 1,288,480.80 : x
  2. Step 2: Convert to fraction form
    1,933,295.88/2,668,692.30 = 1,288,480.80/x
  3. Step 3: Cross multiply
    1,933,295.88x = 2,668,692.30 × 1,288,480.80
  4. Step 4: Simplify right side
    1,933,295.88x = 3,438,558,789,657.84
  5. Step 5: Solve for x
    x = 3,438,558,789,657.84/1,933,295.88
  6. Step 6: Final answer
    x = 1,778,599.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.