Home / 2,851,914.86-4,277,879.57-721,999.21

Finding the Fourth Proportional to 2,851,914.86, 4,277,879.57 and 721,999.21

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Solution

The fourth proportional to 2,851,914.86, 4,277,879.57 and 721,999.21 is: 1,083,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,914.86 : 4,277,879.57 = 721,999.21 : x
  2. Step 2: Convert to fraction form
    2,851,914.86/4,277,879.57 = 721,999.21/x
  3. Step 3: Cross multiply
    2,851,914.86x = 4,277,879.57 × 721,999.21
  4. Step 4: Simplify right side
    2,851,914.86x = 3,088,625,670,015.14
  5. Step 5: Solve for x
    x = 3,088,625,670,015.14/2,851,914.86
  6. Step 6: Final answer
    x = 1,083,000.66

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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.