Home / 5,479,626.60-8,219,958.30-1,490,538.60

Finding the Fourth Proportional to 5,479,626.60, 8,219,958.30 and 1,490,538.60

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Solution

The fourth proportional to 5,479,626.60, 8,219,958.30 and 1,490,538.60 is: 2,235,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,626.60 : 8,219,958.30 = 1,490,538.60 : x
  2. Step 2: Convert to fraction form
    5,479,626.60/8,219,958.30 = 1,490,538.60/x
  3. Step 3: Cross multiply
    5,479,626.60x = 8,219,958.30 × 1,490,538.60
  4. Step 4: Simplify right side
    5,479,626.60x = 12,252,165,136,540.38
  5. Step 5: Solve for x
    x = 12,252,165,136,540.38/5,479,626.60
  6. Step 6: Final answer
    x = 2,235,948.91

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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.