Home / 5,168,102-7,131,980.80-2,876,804

Finding the Fourth Proportional to 5,168,102, 7,131,980.80 and 2,876,804

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Solution

The fourth proportional to 5,168,102, 7,131,980.80 and 2,876,804 is: 3,969,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,102 : 7,131,980.80 = 2,876,804 : x
  2. Step 2: Convert to fraction form
    5,168,102/7,131,980.80 = 2,876,804/x
  3. Step 3: Cross multiply
    5,168,102x = 7,131,980.80 × 2,876,804
  4. Step 4: Simplify right side
    5,168,102x = 20,517,310,893,363.20
  5. Step 5: Solve for x
    x = 20,517,310,893,363.20/5,168,102
  6. Step 6: Final answer
    x = 3,969,989.54

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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.