Home / 2,819,474.20-3,890,770.09-1,530,286.93

Finding the Fourth Proportional to 2,819,474.20, 3,890,770.09 and 1,530,286.93

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Solution

The fourth proportional to 2,819,474.20, 3,890,770.09 and 1,530,286.93 is: 2,111,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,474.20 : 3,890,770.09 = 1,530,286.93 : x
  2. Step 2: Convert to fraction form
    2,819,474.20/3,890,770.09 = 1,530,286.93/x
  3. Step 3: Cross multiply
    2,819,474.20x = 3,890,770.09 × 1,530,286.93
  4. Step 4: Simplify right side
    2,819,474.20x = 5,953,994,616,361.92
  5. Step 5: Solve for x
    x = 5,953,994,616,361.92/2,819,474.20
  6. Step 6: Final answer
    x = 2,111,739.35

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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.