Home / 2,789,166.30-3,850,890.39-2,143,412.70

Finding the Fourth Proportional to 2,789,166.30, 3,850,890.39 and 2,143,412.70

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Solution

The fourth proportional to 2,789,166.30, 3,850,890.39 and 2,143,412.70 is: 2,959,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,166.30 : 3,850,890.39 = 2,143,412.70 : x
  2. Step 2: Convert to fraction form
    2,789,166.30/3,850,890.39 = 2,143,412.70/x
  3. Step 3: Cross multiply
    2,789,166.30x = 3,850,890.39 × 2,143,412.70
  4. Step 4: Simplify right side
    2,789,166.30x = 8,254,047,368,233.95
  5. Step 5: Solve for x
    x = 8,254,047,368,233.95/2,789,166.30
  6. Step 6: Final answer
    x = 2,959,324.21

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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.