Home / 3,479,125.20-5,209,830.45-3,319,692.90

Finding the Fourth Proportional to 3,479,125.20, 5,209,830.45 and 3,319,692.90

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Solution

The fourth proportional to 3,479,125.20, 5,209,830.45 and 3,319,692.90 is: 4,971,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,125.20 : 5,209,830.45 = 3,319,692.90 : x
  2. Step 2: Convert to fraction form
    3,479,125.20/5,209,830.45 = 3,319,692.90/x
  3. Step 3: Cross multiply
    3,479,125.20x = 5,209,830.45 × 3,319,692.90
  4. Step 4: Simplify right side
    3,479,125.20x = 17,295,037,155,068.80
  5. Step 5: Solve for x
    x = 17,295,037,155,068.80/3,479,125.20
  6. Step 6: Final answer
    x = 4,971,087.89

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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.