Home / 6,120,820.80-9,181,231.20-5,742,907.20

Finding the Fourth Proportional to 6,120,820.80, 9,181,231.20 and 5,742,907.20

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Solution

The fourth proportional to 6,120,820.80, 9,181,231.20 and 5,742,907.20 is: 8,614,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,820.80 : 9,181,231.20 = 5,742,907.20 : x
  2. Step 2: Convert to fraction form
    6,120,820.80/9,181,231.20 = 5,742,907.20/x
  3. Step 3: Cross multiply
    6,120,820.80x = 9,181,231.20 × 5,742,907.20
  4. Step 4: Simplify right side
    6,120,820.80x = 52,726,958,763,344.64
  5. Step 5: Solve for x
    x = 52,726,958,763,344.64/6,120,820.80
  6. Step 6: Final answer
    x = 8,614,360.80

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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.