Home / 4,120,542.61-6,181,699.65-1,388,361.58

Finding the Fourth Proportional to 4,120,542.61, 6,181,699.65 and 1,388,361.58

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Solution

The fourth proportional to 4,120,542.61, 6,181,699.65 and 1,388,361.58 is: 2,082,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,542.61 : 6,181,699.65 = 1,388,361.58 : x
  2. Step 2: Convert to fraction form
    4,120,542.61/6,181,699.65 = 1,388,361.58/x
  3. Step 3: Cross multiply
    4,120,542.61x = 6,181,699.65 × 1,388,361.58
  4. Step 4: Simplify right side
    4,120,542.61x = 8,582,434,293,159.45
  5. Step 5: Solve for x
    x = 8,582,434,293,159.45/4,120,542.61
  6. Step 6: Final answer
    x = 2,082,840.81

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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.