Home / 4,181,338.25-6,272,177.45-1,991,782.31

Finding the Fourth Proportional to 4,181,338.25, 6,272,177.45 and 1,991,782.31

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Solution

The fourth proportional to 4,181,338.25, 6,272,177.45 and 1,991,782.31 is: 2,987,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181,338.25 : 6,272,177.45 = 1,991,782.31 : x
  2. Step 2: Convert to fraction form
    4,181,338.25/6,272,177.45 = 1,991,782.31/x
  3. Step 3: Cross multiply
    4,181,338.25x = 6,272,177.45 × 1,991,782.31
  4. Step 4: Simplify right side
    4,181,338.25x = 12,492,812,062,776.13
  5. Step 5: Solve for x
    x = 12,492,812,062,776.13/4,181,338.25
  6. Step 6: Final answer
    x = 2,987,754.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.