Home / 2,291,337.28-3,162,145.53-1,272,742.03

Finding the Fourth Proportional to 2,291,337.28, 3,162,145.53 and 1,272,742.03

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Solution

The fourth proportional to 2,291,337.28, 3,162,145.53 and 1,272,742.03 is: 1,756,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,337.28 : 3,162,145.53 = 1,272,742.03 : x
  2. Step 2: Convert to fraction form
    2,291,337.28/3,162,145.53 = 1,272,742.03/x
  3. Step 3: Cross multiply
    2,291,337.28x = 3,162,145.53 × 1,272,742.03
  4. Step 4: Simplify right side
    2,291,337.28x = 4,024,595,521,007.63
  5. Step 5: Solve for x
    x = 4,024,595,521,007.63/2,291,337.28
  6. Step 6: Final answer
    x = 1,756,439.59

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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.