Home / 3,579,109.44-4,939,097.73-1,947,549.12

Finding the Fourth Proportional to 3,579,109.44, 4,939,097.73 and 1,947,549.12

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Solution

The fourth proportional to 3,579,109.44, 4,939,097.73 and 1,947,549.12 is: 2,687,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,109.44 : 4,939,097.73 = 1,947,549.12 : x
  2. Step 2: Convert to fraction form
    3,579,109.44/4,939,097.73 = 1,947,549.12/x
  3. Step 3: Cross multiply
    3,579,109.44x = 4,939,097.73 × 1,947,549.12
  4. Step 4: Simplify right side
    3,579,109.44x = 9,619,135,437,655.50
  5. Step 5: Solve for x
    x = 9,619,135,437,655.50/3,579,109.44
  6. Step 6: Final answer
    x = 2,687,577.90

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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.