Home / 3,942,715.38-5,441,018.09-2,312,298.68

Finding the Fourth Proportional to 3,942,715.38, 5,441,018.09 and 2,312,298.68

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Solution

The fourth proportional to 3,942,715.38, 5,441,018.09 and 2,312,298.68 is: 3,191,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,715.38 : 5,441,018.09 = 2,312,298.68 : x
  2. Step 2: Convert to fraction form
    3,942,715.38/5,441,018.09 = 2,312,298.68/x
  3. Step 3: Cross multiply
    3,942,715.38x = 5,441,018.09 × 2,312,298.68
  4. Step 4: Simplify right side
    3,942,715.38x = 12,581,258,949,404.17
  5. Step 5: Solve for x
    x = 12,581,258,949,404.17/3,942,715.38
  6. Step 6: Final answer
    x = 3,191,013.74

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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.