Home / 3,161,393.73-4,742,102.89-765,234.51

Finding the Fourth Proportional to 3,161,393.73, 4,742,102.89 and 765,234.51

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Solution

The fourth proportional to 3,161,393.73, 4,742,102.89 and 765,234.51 is: 1,147,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,393.73 : 4,742,102.89 = 765,234.51 : x
  2. Step 2: Convert to fraction form
    3,161,393.73/4,742,102.89 = 765,234.51/x
  3. Step 3: Cross multiply
    3,161,393.73x = 4,742,102.89 × 765,234.51
  4. Step 4: Simplify right side
    3,161,393.73x = 3,628,820,796,696.08
  5. Step 5: Solve for x
    x = 3,628,820,796,696.08/3,161,393.73
  6. Step 6: Final answer
    x = 1,147,854.75

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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.