Home / 2,117,322.54-3,174,198.46-918,342.11

Finding the Fourth Proportional to 2,117,322.54, 3,174,198.46 and 918,342.11

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Solution

The fourth proportional to 2,117,322.54, 3,174,198.46 and 918,342.11 is: 1,376,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,322.54 : 3,174,198.46 = 918,342.11 : x
  2. Step 2: Convert to fraction form
    2,117,322.54/3,174,198.46 = 918,342.11/x
  3. Step 3: Cross multiply
    2,117,322.54x = 3,174,198.46 × 918,342.11
  4. Step 4: Simplify right side
    2,117,322.54x = 2,915,000,116,954.79
  5. Step 5: Solve for x
    x = 2,915,000,116,954.79/2,117,322.54
  6. Step 6: Final answer
    x = 1,376,738.81

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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.