Home / 2,789,098.80-4,183,648.20-1,885,649.10

Finding the Fourth Proportional to 2,789,098.80, 4,183,648.20 and 1,885,649.10

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Solution

The fourth proportional to 2,789,098.80, 4,183,648.20 and 1,885,649.10 is: 2,828,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,098.80 : 4,183,648.20 = 1,885,649.10 : x
  2. Step 2: Convert to fraction form
    2,789,098.80/4,183,648.20 = 1,885,649.10/x
  3. Step 3: Cross multiply
    2,789,098.80x = 4,183,648.20 × 1,885,649.10
  4. Step 4: Simplify right side
    2,789,098.80x = 7,888,892,463,046.62
  5. Step 5: Solve for x
    x = 7,888,892,463,046.62/2,789,098.80
  6. Step 6: Final answer
    x = 2,828,473.65

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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.