Home / 2,086,516.72-3,129,852.84-738,821.44

Finding the Fourth Proportional to 2,086,516.72, 3,129,852.84 and 738,821.44

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Solution

The fourth proportional to 2,086,516.72, 3,129,852.84 and 738,821.44 is: 1,108,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,516.72 : 3,129,852.84 = 738,821.44 : x
  2. Step 2: Convert to fraction form
    2,086,516.72/3,129,852.84 = 738,821.44/x
  3. Step 3: Cross multiply
    2,086,516.72x = 3,129,852.84 × 738,821.44
  4. Step 4: Simplify right side
    2,086,516.72x = 2,312,402,382,236.89
  5. Step 5: Solve for x
    x = 2,312,402,382,236.89/2,086,516.72
  6. Step 6: Final answer
    x = 1,108,259.69

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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.