Home / 2,200,142.64-3,301,162.23-1,189,975.71

Finding the Fourth Proportional to 2,200,142.64, 3,301,162.23 and 1,189,975.71

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Solution

The fourth proportional to 2,200,142.64, 3,301,162.23 and 1,189,975.71 is: 1,785,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,142.64 : 3,301,162.23 = 1,189,975.71 : x
  2. Step 2: Convert to fraction form
    2,200,142.64/3,301,162.23 = 1,189,975.71/x
  3. Step 3: Cross multiply
    2,200,142.64x = 3,301,162.23 × 1,189,975.71
  4. Step 4: Simplify right side
    2,200,142.64x = 3,928,302,885,311.20
  5. Step 5: Solve for x
    x = 3,928,302,885,311.20/2,200,142.64
  6. Step 6: Final answer
    x = 1,785,476.45

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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.