Home / 5,079,020.74-7,009,250.79-2,787,263.44

Finding the Fourth Proportional to 5,079,020.74, 7,009,250.79 and 2,787,263.44

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Solution

The fourth proportional to 5,079,020.74, 7,009,250.79 and 2,787,263.44 is: 3,846,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,020.74 : 7,009,250.79 = 2,787,263.44 : x
  2. Step 2: Convert to fraction form
    5,079,020.74/7,009,250.79 = 2,787,263.44/x
  3. Step 3: Cross multiply
    5,079,020.74x = 7,009,250.79 × 2,787,263.44
  4. Step 4: Simplify right side
    5,079,020.74x = 19,536,628,468,758.12
  5. Step 5: Solve for x
    x = 19,536,628,468,758.12/5,079,020.74
  6. Step 6: Final answer
    x = 3,846,534.49

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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.