Home / 2,080,358.70-3,120,538.05-1,719,552.30

Finding the Fourth Proportional to 2,080,358.70, 3,120,538.05 and 1,719,552.30

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Solution

The fourth proportional to 2,080,358.70, 3,120,538.05 and 1,719,552.30 is: 2,579,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,358.70 : 3,120,538.05 = 1,719,552.30 : x
  2. Step 2: Convert to fraction form
    2,080,358.70/3,120,538.05 = 1,719,552.30/x
  3. Step 3: Cross multiply
    2,080,358.70x = 3,120,538.05 × 1,719,552.30
  4. Step 4: Simplify right side
    2,080,358.70x = 5,365,928,381,115.01
  5. Step 5: Solve for x
    x = 5,365,928,381,115.01/2,080,358.70
  6. Step 6: Final answer
    x = 2,579,328.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.