Home / 2,892,739.92-3,992,172.48-1,603,634.64

Finding the Fourth Proportional to 2,892,739.92, 3,992,172.48 and 1,603,634.64

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Solution

The fourth proportional to 2,892,739.92, 3,992,172.48 and 1,603,634.64 is: 2,213,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,739.92 : 3,992,172.48 = 1,603,634.64 : x
  2. Step 2: Convert to fraction form
    2,892,739.92/3,992,172.48 = 1,603,634.64/x
  3. Step 3: Cross multiply
    2,892,739.92x = 3,992,172.48 × 1,603,634.64
  4. Step 4: Simplify right side
    2,892,739.92x = 6,401,986,077,782.71
  5. Step 5: Solve for x
    x = 6,401,986,077,782.71/2,892,739.92
  6. Step 6: Final answer
    x = 2,213,121.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.