Home / 2,799,216-4,198,490.64-1,647,151.20

Finding the Fourth Proportional to 2,799,216, 4,198,490.64 and 1,647,151.20

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Solution

The fourth proportional to 2,799,216, 4,198,490.64 and 1,647,151.20 is: 2,470,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,216 : 4,198,490.64 = 1,647,151.20 : x
  2. Step 2: Convert to fraction form
    2,799,216/4,198,490.64 = 1,647,151.20/x
  3. Step 3: Cross multiply
    2,799,216x = 4,198,490.64 × 1,647,151.20
  4. Step 4: Simplify right side
    2,799,216x = 6,915,548,895,864.77
  5. Step 5: Solve for x
    x = 6,915,548,895,864.77/2,799,216
  6. Step 6: Final answer
    x = 2,470,530.64

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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.