Home / 1,650,172.24-2,277,242.88-915,178.96

Finding the Fourth Proportional to 1,650,172.24, 2,277,242.88 and 915,178.96

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Solution

The fourth proportional to 1,650,172.24, 2,277,242.88 and 915,178.96 is: 1,262,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,172.24 : 2,277,242.88 = 915,178.96 : x
  2. Step 2: Convert to fraction form
    1,650,172.24/2,277,242.88 = 915,178.96/x
  3. Step 3: Cross multiply
    1,650,172.24x = 2,277,242.88 × 915,178.96
  4. Step 4: Simplify right side
    1,650,172.24x = 2,084,084,770,585.80
  5. Step 5: Solve for x
    x = 2,084,084,770,585.80/1,650,172.24
  6. Step 6: Final answer
    x = 1,262,949.84

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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.