Home / 3,112,891.80-4,295,137.41-1,889,841.30

Finding the Fourth Proportional to 3,112,891.80, 4,295,137.41 and 1,889,841.30

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Solution

The fourth proportional to 3,112,891.80, 4,295,137.41 and 1,889,841.30 is: 2,607,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,891.80 : 4,295,137.41 = 1,889,841.30 : x
  2. Step 2: Convert to fraction form
    3,112,891.80/4,295,137.41 = 1,889,841.30/x
  3. Step 3: Cross multiply
    3,112,891.80x = 4,295,137.41 × 1,889,841.30
  4. Step 4: Simplify right side
    3,112,891.80x = 8,117,128,066,593.03
  5. Step 5: Solve for x
    x = 8,117,128,066,593.03/3,112,891.80
  6. Step 6: Final answer
    x = 2,607,584.39

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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.