Home / 3,836,578.42-5,294,478.51-2,117,699.38

Finding the Fourth Proportional to 3,836,578.42, 5,294,478.51 and 2,117,699.38

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Solution

The fourth proportional to 3,836,578.42, 5,294,478.51 and 2,117,699.38 is: 2,922,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,578.42 : 5,294,478.51 = 2,117,699.38 : x
  2. Step 2: Convert to fraction form
    3,836,578.42/5,294,478.51 = 2,117,699.38/x
  3. Step 3: Cross multiply
    3,836,578.42x = 5,294,478.51 × 2,117,699.38
  4. Step 4: Simplify right side
    3,836,578.42x = 11,212,113,858,050.32
  5. Step 5: Solve for x
    x = 11,212,113,858,050.32/3,836,578.42
  6. Step 6: Final answer
    x = 2,922,425.30

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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.