Home / 2,174,169.31-3,000,363.05-1,207,296.61

Finding the Fourth Proportional to 2,174,169.31, 3,000,363.05 and 1,207,296.61

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Solution

The fourth proportional to 2,174,169.31, 3,000,363.05 and 1,207,296.61 is: 1,666,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,169.31 : 3,000,363.05 = 1,207,296.61 : x
  2. Step 2: Convert to fraction form
    2,174,169.31/3,000,363.05 = 1,207,296.61/x
  3. Step 3: Cross multiply
    2,174,169.31x = 3,000,363.05 × 1,207,296.61
  4. Step 4: Simplify right side
    2,174,169.31x = 3,622,328,139,034.26
  5. Step 5: Solve for x
    x = 3,622,328,139,034.26/2,174,169.31
  6. Step 6: Final answer
    x = 1,666,074.54

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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.