Home / 5,181,999.39-7,773,995.40-1,986,876.39

Finding the Fourth Proportional to 5,181,999.39, 7,773,995.40 and 1,986,876.39

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Solution

The fourth proportional to 5,181,999.39, 7,773,995.40 and 1,986,876.39 is: 2,980,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,999.39 : 7,773,995.40 = 1,986,876.39 : x
  2. Step 2: Convert to fraction form
    5,181,999.39/7,773,995.40 = 1,986,876.39/x
  3. Step 3: Cross multiply
    5,181,999.39x = 7,773,995.40 × 1,986,876.39
  4. Step 4: Simplify right side
    5,181,999.39x = 15,445,967,867,424.25
  5. Step 5: Solve for x
    x = 15,445,967,867,424.25/5,181,999.39
  6. Step 6: Final answer
    x = 2,980,696.58

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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.