Home / 5,447,807.70-8,171,689.68-1,661,279.64

Finding the Fourth Proportional to 5,447,807.70, 8,171,689.68 and 1,661,279.64

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Solution

The fourth proportional to 5,447,807.70, 8,171,689.68 and 1,661,279.64 is: 2,491,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,807.70 : 8,171,689.68 = 1,661,279.64 : x
  2. Step 2: Convert to fraction form
    5,447,807.70/8,171,689.68 = 1,661,279.64/x
  3. Step 3: Cross multiply
    5,447,807.70x = 8,171,689.68 × 1,661,279.64
  4. Step 4: Simplify right side
    5,447,807.70x = 13,575,461,689,782.11
  5. Step 5: Solve for x
    x = 13,575,461,689,782.11/5,447,807.70
  6. Step 6: Final answer
    x = 2,491,912.79

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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.