Home / 6,420,170.20-9,630,692.70-2,042,962.60

Finding the Fourth Proportional to 6,420,170.20, 9,630,692.70 and 2,042,962.60

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Solution

The fourth proportional to 6,420,170.20, 9,630,692.70 and 2,042,962.60 is: 3,064,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,170.20 : 9,630,692.70 = 2,042,962.60 : x
  2. Step 2: Convert to fraction form
    6,420,170.20/9,630,692.70 = 2,042,962.60/x
  3. Step 3: Cross multiply
    6,420,170.20x = 9,630,692.70 × 2,042,962.60
  4. Step 4: Simplify right side
    6,420,170.20x = 19,675,144,998,193.02
  5. Step 5: Solve for x
    x = 19,675,144,998,193.02/6,420,170.20
  6. Step 6: Final answer
    x = 3,064,583.09

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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.