Home / 5,133,440.70-7,084,781.31-2,928,846.30

Finding the Fourth Proportional to 5,133,440.70, 7,084,781.31 and 2,928,846.30

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Solution

The fourth proportional to 5,133,440.70, 7,084,781.31 and 2,928,846.30 is: 4,042,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,440.70 : 7,084,781.31 = 2,928,846.30 : x
  2. Step 2: Convert to fraction form
    5,133,440.70/7,084,781.31 = 2,928,846.30/x
  3. Step 3: Cross multiply
    5,133,440.70x = 7,084,781.31 × 2,928,846.30
  4. Step 4: Simplify right side
    5,133,440.70x = 20,750,235,526,102.65
  5. Step 5: Solve for x
    x = 20,750,235,526,102.65/5,133,440.70
  6. Step 6: Final answer
    x = 4,042,169.13

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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.