Home / 1,777,704.20-2,672,777.10-1,740,379.40

Finding the Fourth Proportional to 1,777,704.20, 2,672,777.10 and 1,740,379.40

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Solution

The fourth proportional to 1,777,704.20, 2,672,777.10 and 1,740,379.40 is: 2,616,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,704.20 : 2,672,777.10 = 1,740,379.40 : x
  2. Step 2: Convert to fraction form
    1,777,704.20/2,672,777.10 = 1,740,379.40/x
  3. Step 3: Cross multiply
    1,777,704.20x = 2,672,777.10 × 1,740,379.40
  4. Step 4: Simplify right side
    1,777,704.20x = 4,651,646,205,631.74
  5. Step 5: Solve for x
    x = 4,651,646,205,631.74/1,777,704.20
  6. Step 6: Final answer
    x = 2,616,659.29

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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.