Home / 3,778,400.22-5,668,405.41-1,219,760.57

Finding the Fourth Proportional to 3,778,400.22, 5,668,405.41 and 1,219,760.57

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Solution

The fourth proportional to 3,778,400.22, 5,668,405.41 and 1,219,760.57 is: 1,829,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,400.22 : 5,668,405.41 = 1,219,760.57 : x
  2. Step 2: Convert to fraction form
    3,778,400.22/5,668,405.41 = 1,219,760.57/x
  3. Step 3: Cross multiply
    3,778,400.22x = 5,668,405.41 × 1,219,760.57
  4. Step 4: Simplify right side
    3,778,400.22x = 6,914,097,432,637.80
  5. Step 5: Solve for x
    x = 6,914,097,432,637.80/3,778,400.22
  6. Step 6: Final answer
    x = 1,829,900.76

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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.