Home / 3,643,142.87-5,027,441.38-2,011,515.12

Finding the Fourth Proportional to 3,643,142.87, 5,027,441.38 and 2,011,515.12

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Solution

The fourth proportional to 3,643,142.87, 5,027,441.38 and 2,011,515.12 is: 2,775,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,142.87 : 5,027,441.38 = 2,011,515.12 : x
  2. Step 2: Convert to fraction form
    3,643,142.87/5,027,441.38 = 2,011,515.12/x
  3. Step 3: Cross multiply
    3,643,142.87x = 5,027,441.38 × 2,011,515.12
  4. Step 4: Simplify right side
    3,643,142.87x = 10,112,774,345,754.88
  5. Step 5: Solve for x
    x = 10,112,774,345,754.88/3,643,142.87
  6. Step 6: Final answer
    x = 2,775,837.98

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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.