Home / 3,318,190.40-4,977,285.60-2,981,611.10

Finding the Fourth Proportional to 3,318,190.40, 4,977,285.60 and 2,981,611.10

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Solution

The fourth proportional to 3,318,190.40, 4,977,285.60 and 2,981,611.10 is: 4,472,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,190.40 : 4,977,285.60 = 2,981,611.10 : x
  2. Step 2: Convert to fraction form
    3,318,190.40/4,977,285.60 = 2,981,611.10/x
  3. Step 3: Cross multiply
    3,318,190.40x = 4,977,285.60 × 2,981,611.10
  4. Step 4: Simplify right side
    3,318,190.40x = 14,840,329,992,830.16
  5. Step 5: Solve for x
    x = 14,840,329,992,830.16/3,318,190.40
  6. Step 6: Final answer
    x = 4,472,416.65

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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.