Home / 2,876,655.25-3,969,879.42-1,569,978.64

Finding the Fourth Proportional to 2,876,655.25, 3,969,879.42 and 1,569,978.64

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Solution

The fourth proportional to 2,876,655.25, 3,969,879.42 and 1,569,978.64 is: 2,166,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,655.25 : 3,969,879.42 = 1,569,978.64 : x
  2. Step 2: Convert to fraction form
    2,876,655.25/3,969,879.42 = 1,569,978.64/x
  3. Step 3: Cross multiply
    2,876,655.25x = 3,969,879.42 × 1,569,978.64
  4. Step 4: Simplify right side
    2,876,655.25x = 6,232,625,892,775.59
  5. Step 5: Solve for x
    x = 6,232,625,892,775.59/2,876,655.25
  6. Step 6: Final answer
    x = 2,166,622.47

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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.