Home / 3,431,246.80-5,148,118.20-1,187,611.60

Finding the Fourth Proportional to 3,431,246.80, 5,148,118.20 and 1,187,611.60

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Solution

The fourth proportional to 3,431,246.80, 5,148,118.20 and 1,187,611.60 is: 1,781,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,246.80 : 5,148,118.20 = 1,187,611.60 : x
  2. Step 2: Convert to fraction form
    3,431,246.80/5,148,118.20 = 1,187,611.60/x
  3. Step 3: Cross multiply
    3,431,246.80x = 5,148,118.20 × 1,187,611.60
  4. Step 4: Simplify right side
    3,431,246.80x = 6,113,964,892,491.12
  5. Step 5: Solve for x
    x = 6,113,964,892,491.12/3,431,246.80
  6. Step 6: Final answer
    x = 1,781,849.35

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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.