Home / 5,147,347.64-7,103,318.09-2,855,508.32

Finding the Fourth Proportional to 5,147,347.64, 7,103,318.09 and 2,855,508.32

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Solution

The fourth proportional to 5,147,347.64, 7,103,318.09 and 2,855,508.32 is: 3,940,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,347.64 : 7,103,318.09 = 2,855,508.32 : x
  2. Step 2: Convert to fraction form
    5,147,347.64/7,103,318.09 = 2,855,508.32/x
  3. Step 3: Cross multiply
    5,147,347.64x = 7,103,318.09 × 2,855,508.32
  4. Step 4: Simplify right side
    5,147,347.64x = 20,283,583,909,082.26
  5. Step 5: Solve for x
    x = 20,283,583,909,082.26/5,147,347.64
  6. Step 6: Final answer
    x = 3,940,589.47

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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.