Home / 3,120,438.40-4,682,212.80-1,773,635.20

Finding the Fourth Proportional to 3,120,438.40, 4,682,212.80 and 1,773,635.20

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Solution

The fourth proportional to 3,120,438.40, 4,682,212.80 and 1,773,635.20 is: 2,661,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,438.40 : 4,682,212.80 = 1,773,635.20 : x
  2. Step 2: Convert to fraction form
    3,120,438.40/4,682,212.80 = 1,773,635.20/x
  3. Step 3: Cross multiply
    3,120,438.40x = 4,682,212.80 × 1,773,635.20
  4. Step 4: Simplify right side
    3,120,438.40x = 8,304,537,435,970.56
  5. Step 5: Solve for x
    x = 8,304,537,435,970.56/3,120,438.40
  6. Step 6: Final answer
    x = 2,661,336.76

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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.