Home / 5,181,976.42-7,773,960.93-1,986,853.41

Finding the Fourth Proportional to 5,181,976.42, 7,773,960.93 and 1,986,853.41

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Solution

The fourth proportional to 5,181,976.42, 7,773,960.93 and 1,986,853.41 is: 2,980,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,976.42 : 7,773,960.93 = 1,986,853.41 : x
  2. Step 2: Convert to fraction form
    5,181,976.42/7,773,960.93 = 1,986,853.41/x
  3. Step 3: Cross multiply
    5,181,976.42x = 7,773,960.93 × 1,986,853.41
  4. Step 4: Simplify right side
    5,181,976.42x = 15,445,720,782,977.27
  5. Step 5: Solve for x
    x = 15,445,720,782,977.27/5,181,976.42
  6. Step 6: Final answer
    x = 2,980,662.11

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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.