Home / 3,243,489.28-4,476,725.76-1,886,145.28

Finding the Fourth Proportional to 3,243,489.28, 4,476,725.76 and 1,886,145.28

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Solution

The fourth proportional to 3,243,489.28, 4,476,725.76 and 1,886,145.28 is: 2,603,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243,489.28 : 4,476,725.76 = 1,886,145.28 : x
  2. Step 2: Convert to fraction form
    3,243,489.28/4,476,725.76 = 1,886,145.28/x
  3. Step 3: Cross multiply
    3,243,489.28x = 4,476,725.76 × 1,886,145.28
  4. Step 4: Simplify right side
    3,243,489.28x = 8,443,755,162,078.41
  5. Step 5: Solve for x
    x = 8,443,755,162,078.41/3,243,489.28
  6. Step 6: Final answer
    x = 2,603,293.69

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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.