Home / 2,790,534.80-4,185,802.20-1,940,229.20

Finding the Fourth Proportional to 2,790,534.80, 4,185,802.20 and 1,940,229.20

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Solution

The fourth proportional to 2,790,534.80, 4,185,802.20 and 1,940,229.20 is: 2,910,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,534.80 : 4,185,802.20 = 1,940,229.20 : x
  2. Step 2: Convert to fraction form
    2,790,534.80/4,185,802.20 = 1,940,229.20/x
  3. Step 3: Cross multiply
    2,790,534.80x = 4,185,802.20 × 1,940,229.20
  4. Step 4: Simplify right side
    2,790,534.80x = 8,121,415,653,864.24
  5. Step 5: Solve for x
    x = 8,121,415,653,864.24/2,790,534.80
  6. Step 6: Final answer
    x = 2,910,343.80

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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.