Home / 3,500,107.10-5,239,663.05-2,079,431.90

Finding the Fourth Proportional to 3,500,107.10, 5,239,663.05 and 2,079,431.90

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Solution

The fourth proportional to 3,500,107.10, 5,239,663.05 and 2,079,431.90 is: 3,112,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,107.10 : 5,239,663.05 = 2,079,431.90 : x
  2. Step 2: Convert to fraction form
    3,500,107.10/5,239,663.05 = 2,079,431.90/x
  3. Step 3: Cross multiply
    3,500,107.10x = 5,239,663.05 × 2,079,431.90
  4. Step 4: Simplify right side
    3,500,107.10x = 10,895,522,491,421.29
  5. Step 5: Solve for x
    x = 10,895,522,491,421.29/3,500,107.10
  6. Step 6: Final answer
    x = 3,112,911.17

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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.