Home / 2,891,874.15-3,990,786.71-1,602,797.76

Finding the Fourth Proportional to 2,891,874.15, 3,990,786.71 and 1,602,797.76

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Solution

The fourth proportional to 2,891,874.15, 3,990,786.71 and 1,602,797.76 is: 2,211,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,874.15 : 3,990,786.71 = 1,602,797.76 : x
  2. Step 2: Convert to fraction form
    2,891,874.15/3,990,786.71 = 1,602,797.76/x
  3. Step 3: Cross multiply
    2,891,874.15x = 3,990,786.71 × 1,602,797.76
  4. Step 4: Simplify right side
    2,891,874.15x = 6,396,423,991,411.78
  5. Step 5: Solve for x
    x = 6,396,423,991,411.78/2,891,874.15
  6. Step 6: Final answer
    x = 2,211,861.12

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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.