Home / 5,020,529.45-6,928,306.25-2,728,690.34

Finding the Fourth Proportional to 5,020,529.45, 6,928,306.25 and 2,728,690.34

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Solution

The fourth proportional to 5,020,529.45, 6,928,306.25 and 2,728,690.34 is: 3,765,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020,529.45 : 6,928,306.25 = 2,728,690.34 : x
  2. Step 2: Convert to fraction form
    5,020,529.45/6,928,306.25 = 2,728,690.34/x
  3. Step 3: Cross multiply
    5,020,529.45x = 6,928,306.25 × 2,728,690.34
  4. Step 4: Simplify right side
    5,020,529.45x = 18,905,202,288,651.64
  5. Step 5: Solve for x
    x = 18,905,202,288,651.64/5,020,529.45
  6. Step 6: Final answer
    x = 3,765,579.41

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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.