Home / 3,991,957.16-5,507,162.70-2,443,287.79

Finding the Fourth Proportional to 3,991,957.16, 5,507,162.70 and 2,443,287.79

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Solution

The fourth proportional to 3,991,957.16, 5,507,162.70 and 2,443,287.79 is: 3,370,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,957.16 : 5,507,162.70 = 2,443,287.79 : x
  2. Step 2: Convert to fraction form
    3,991,957.16/5,507,162.70 = 2,443,287.79/x
  3. Step 3: Cross multiply
    3,991,957.16x = 5,507,162.70 × 2,443,287.79
  4. Step 4: Simplify right side
    3,991,957.16x = 13,455,583,382,453.43
  5. Step 5: Solve for x
    x = 13,455,583,382,453.43/3,991,957.16
  6. Step 6: Final answer
    x = 3,370,673.29

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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.