Home / 2,031,138.12-3,045,738.83-751,688.04

Finding the Fourth Proportional to 2,031,138.12, 3,045,738.83 and 751,688.04

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Solution

The fourth proportional to 2,031,138.12, 3,045,738.83 and 751,688.04 is: 1,127,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031,138.12 : 3,045,738.83 = 751,688.04 : x
  2. Step 2: Convert to fraction form
    2,031,138.12/3,045,738.83 = 751,688.04/x
  3. Step 3: Cross multiply
    2,031,138.12x = 3,045,738.83 × 751,688.04
  4. Step 4: Simplify right side
    2,031,138.12x = 2,289,445,447,716.15
  5. Step 5: Solve for x
    x = 2,289,445,447,716.15/2,031,138.12
  6. Step 6: Final answer
    x = 1,127,173.69

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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.