Home / 2,639,692.95-3,640,894.45-2,422,601.37

Finding the Fourth Proportional to 2,639,692.95, 3,640,894.45 and 2,422,601.37

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Solution

The fourth proportional to 2,639,692.95, 3,640,894.45 and 2,422,601.37 is: 3,341,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,692.95 : 3,640,894.45 = 2,422,601.37 : x
  2. Step 2: Convert to fraction form
    2,639,692.95/3,640,894.45 = 2,422,601.37/x
  3. Step 3: Cross multiply
    2,639,692.95x = 3,640,894.45 × 2,422,601.37
  4. Step 4: Simplify right side
    2,639,692.95x = 8,820,435,876,538.89
  5. Step 5: Solve for x
    x = 8,820,435,876,538.89/2,639,692.95
  6. Step 6: Final answer
    x = 3,341,462.84

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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.