Home / 2,930,692.80-4,396,039.20-2,641,425.60

Finding the Fourth Proportional to 2,930,692.80, 4,396,039.20 and 2,641,425.60

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Solution

The fourth proportional to 2,930,692.80, 4,396,039.20 and 2,641,425.60 is: 3,962,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,692.80 : 4,396,039.20 = 2,641,425.60 : x
  2. Step 2: Convert to fraction form
    2,930,692.80/4,396,039.20 = 2,641,425.60/x
  3. Step 3: Cross multiply
    2,930,692.80x = 4,396,039.20 × 2,641,425.60
  4. Step 4: Simplify right side
    2,930,692.80x = 11,611,810,481,483.52
  5. Step 5: Solve for x
    x = 11,611,810,481,483.52/2,930,692.80
  6. Step 6: Final answer
    x = 3,962,138.40

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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.