Home / 3,368,940.16-4,649,137.43-1,918,770.53

Finding the Fourth Proportional to 3,368,940.16, 4,649,137.43 and 1,918,770.53

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Solution

The fourth proportional to 3,368,940.16, 4,649,137.43 and 1,918,770.53 is: 2,647,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368,940.16 : 4,649,137.43 = 1,918,770.53 : x
  2. Step 2: Convert to fraction form
    3,368,940.16/4,649,137.43 = 1,918,770.53/x
  3. Step 3: Cross multiply
    3,368,940.16x = 4,649,137.43 × 1,918,770.53
  4. Step 4: Simplify right side
    3,368,940.16x = 8,920,627,881,010.09
  5. Step 5: Solve for x
    x = 8,920,627,881,010.09/3,368,940.16
  6. Step 6: Final answer
    x = 2,647,903.34

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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.