Home / 3,556,245.30-5,318,621.55-2,989,374.90

Finding the Fourth Proportional to 3,556,245.30, 5,318,621.55 and 2,989,374.90

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Solution

The fourth proportional to 3,556,245.30, 5,318,621.55 and 2,989,374.90 is: 4,470,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,245.30 : 5,318,621.55 = 2,989,374.90 : x
  2. Step 2: Convert to fraction form
    3,556,245.30/5,318,621.55 = 2,989,374.90/x
  3. Step 3: Cross multiply
    3,556,245.30x = 5,318,621.55 × 2,989,374.90
  4. Step 4: Simplify right side
    3,556,245.30x = 15,899,353,764,169.09
  5. Step 5: Solve for x
    x = 15,899,353,764,169.09/3,556,245.30
  6. Step 6: Final answer
    x = 4,470,825.95

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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.