Home / 2,128,993.80-3,192,309.18-708,274.32

Finding the Fourth Proportional to 2,128,993.80, 3,192,309.18 and 708,274.32

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Solution

The fourth proportional to 2,128,993.80, 3,192,309.18 and 708,274.32 is: 1,062,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,993.80 : 3,192,309.18 = 708,274.32 : x
  2. Step 2: Convert to fraction form
    2,128,993.80/3,192,309.18 = 708,274.32/x
  3. Step 3: Cross multiply
    2,128,993.80x = 3,192,309.18 × 708,274.32
  4. Step 4: Simplify right side
    2,128,993.80x = 2,261,030,613,694.26
  5. Step 5: Solve for x
    x = 2,261,030,613,694.26/2,128,993.80
  6. Step 6: Final answer
    x = 1,062,018.41

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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.