Home / 2,079,285.48-3,120,172.38-1,910,079.72

Finding the Fourth Proportional to 2,079,285.48, 3,120,172.38 and 1,910,079.72

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Solution

The fourth proportional to 2,079,285.48, 3,120,172.38 and 1,910,079.72 is: 2,866,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,285.48 : 3,120,172.38 = 1,910,079.72 : x
  2. Step 2: Convert to fraction form
    2,079,285.48/3,120,172.38 = 1,910,079.72/x
  3. Step 3: Cross multiply
    2,079,285.48x = 3,120,172.38 × 1,910,079.72
  4. Step 4: Simplify right side
    2,079,285.48x = 5,959,777,985,942.13
  5. Step 5: Solve for x
    x = 5,959,777,985,942.13/2,079,285.48
  6. Step 6: Final answer
    x = 2,866,262.49

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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.