Home / 2,965,108.50-4,442,580.30-1,990,647.72

Finding the Fourth Proportional to 2,965,108.50, 4,442,580.30 and 1,990,647.72

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Solution

The fourth proportional to 2,965,108.50, 4,442,580.30 and 1,990,647.72 is: 2,982,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965,108.50 : 4,442,580.30 = 1,990,647.72 : x
  2. Step 2: Convert to fraction form
    2,965,108.50/4,442,580.30 = 1,990,647.72/x
  3. Step 3: Cross multiply
    2,965,108.50x = 4,442,580.30 × 1,990,647.72
  4. Step 4: Simplify right side
    2,965,108.50x = 8,843,612,345,111.92
  5. Step 5: Solve for x
    x = 8,843,612,345,111.92/2,965,108.50
  6. Step 6: Final answer
    x = 2,982,559.44

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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.