Home / 3,747,051.47-5,171,231.46-2,979,020.60

Finding the Fourth Proportional to 3,747,051.47, 5,171,231.46 and 2,979,020.60

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Solution

The fourth proportional to 3,747,051.47, 5,171,231.46 and 2,979,020.60 is: 4,111,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,051.47 : 5,171,231.46 = 2,979,020.60 : x
  2. Step 2: Convert to fraction form
    3,747,051.47/5,171,231.46 = 2,979,020.60/x
  3. Step 3: Cross multiply
    3,747,051.47x = 5,171,231.46 × 2,979,020.60
  4. Step 4: Simplify right side
    3,747,051.47x = 15,405,205,020,851.92
  5. Step 5: Solve for x
    x = 15,405,205,020,851.92/3,747,051.47
  6. Step 6: Final answer
    x = 4,111,287.28

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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.