Home / 3,462,628.41-4,778,343.86-1,892,689.79

Finding the Fourth Proportional to 3,462,628.41, 4,778,343.86 and 1,892,689.79

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Solution

The fourth proportional to 3,462,628.41, 4,778,343.86 and 1,892,689.79 is: 2,611,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,628.41 : 4,778,343.86 = 1,892,689.79 : x
  2. Step 2: Convert to fraction form
    3,462,628.41/4,778,343.86 = 1,892,689.79/x
  3. Step 3: Cross multiply
    3,462,628.41x = 4,778,343.86 × 1,892,689.79
  4. Step 4: Simplify right side
    3,462,628.41x = 9,043,922,647,614.75
  5. Step 5: Solve for x
    x = 9,043,922,647,614.75/3,462,628.41
  6. Step 6: Final answer
    x = 2,611,866.36

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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.