Home / 5,181,973.26-7,773,956.19-1,986,850.25

Finding the Fourth Proportional to 5,181,973.26, 7,773,956.19 and 1,986,850.25

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Solution

The fourth proportional to 5,181,973.26, 7,773,956.19 and 1,986,850.25 is: 2,980,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,973.26 : 7,773,956.19 = 1,986,850.25 : x
  2. Step 2: Convert to fraction form
    5,181,973.26/7,773,956.19 = 1,986,850.25/x
  3. Step 3: Cross multiply
    5,181,973.26x = 7,773,956.19 × 1,986,850.25
  4. Step 4: Simplify right side
    5,181,973.26x = 15,445,686,760,720.77
  5. Step 5: Solve for x
    x = 15,445,686,760,720.77/5,181,973.26
  6. Step 6: Final answer
    x = 2,980,657.36

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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.