Home / 5,978,120.36-8,249,761.86-3,399,797.48

Finding the Fourth Proportional to 5,978,120.36, 8,249,761.86 and 3,399,797.48

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Solution

The fourth proportional to 5,978,120.36, 8,249,761.86 and 3,399,797.48 is: 4,691,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,120.36 : 8,249,761.86 = 3,399,797.48 : x
  2. Step 2: Convert to fraction form
    5,978,120.36/8,249,761.86 = 3,399,797.48/x
  3. Step 3: Cross multiply
    5,978,120.36x = 8,249,761.86 × 3,399,797.48
  4. Step 4: Simplify right side
    5,978,120.36x = 28,047,519,582,228.11
  5. Step 5: Solve for x
    x = 28,047,519,582,228.11/5,978,120.36
  6. Step 6: Final answer
    x = 4,691,695.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.