Home / 3,174,519.81-4,380,086.87-1,867,828.89

Finding the Fourth Proportional to 3,174,519.81, 4,380,086.87 and 1,867,828.89

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Solution

The fourth proportional to 3,174,519.81, 4,380,086.87 and 1,867,828.89 is: 2,577,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,519.81 : 4,380,086.87 = 1,867,828.89 : x
  2. Step 2: Convert to fraction form
    3,174,519.81/4,380,086.87 = 1,867,828.89/x
  3. Step 3: Cross multiply
    3,174,519.81x = 4,380,086.87 × 1,867,828.89
  4. Step 4: Simplify right side
    3,174,519.81x = 8,181,252,789,491.32
  5. Step 5: Solve for x
    x = 8,181,252,789,491.32/3,174,519.81
  6. Step 6: Final answer
    x = 2,577,162.30

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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.