Home / 2,082,940.20-3,124,410.30-663,139.80

Finding the Fourth Proportional to 2,082,940.20, 3,124,410.30 and 663,139.80

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Solution

The fourth proportional to 2,082,940.20, 3,124,410.30 and 663,139.80 is: 994,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,940.20 : 3,124,410.30 = 663,139.80 : x
  2. Step 2: Convert to fraction form
    2,082,940.20/3,124,410.30 = 663,139.80/x
  3. Step 3: Cross multiply
    2,082,940.20x = 3,124,410.30 × 663,139.80
  4. Step 4: Simplify right side
    2,082,940.20x = 2,071,920,821,459.94
  5. Step 5: Solve for x
    x = 2,071,920,821,459.94/2,082,940.20
  6. Step 6: Final answer
    x = 994,709.70

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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.