Home / 2,992,992.32-4,490,151.88-862,910.16

Finding the Fourth Proportional to 2,992,992.32, 4,490,151.88 and 862,910.16

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Solution

The fourth proportional to 2,992,992.32, 4,490,151.88 and 862,910.16 is: 1,294,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,992.32 : 4,490,151.88 = 862,910.16 : x
  2. Step 2: Convert to fraction form
    2,992,992.32/4,490,151.88 = 862,910.16/x
  3. Step 3: Cross multiply
    2,992,992.32x = 4,490,151.88 × 862,910.16
  4. Step 4: Simplify right side
    2,992,992.32x = 3,874,597,677,195.10
  5. Step 5: Solve for x
    x = 3,874,597,677,195.10/2,992,992.32
  6. Step 6: Final answer
    x = 1,294,556.50

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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.