Home / 2,556,478.12-3,529,218.06-1,589,919.88

Finding the Fourth Proportional to 2,556,478.12, 3,529,218.06 and 1,589,919.88

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Solution

The fourth proportional to 2,556,478.12, 3,529,218.06 and 1,589,919.88 is: 2,194,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,478.12 : 3,529,218.06 = 1,589,919.88 : x
  2. Step 2: Convert to fraction form
    2,556,478.12/3,529,218.06 = 1,589,919.88/x
  3. Step 3: Cross multiply
    2,556,478.12x = 3,529,218.06 × 1,589,919.88
  4. Step 4: Simplify right side
    2,556,478.12x = 5,611,173,954,449.03
  5. Step 5: Solve for x
    x = 5,611,173,954,449.03/2,556,478.12
  6. Step 6: Final answer
    x = 2,194,884.40

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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.