Home / 5,455,150-8,183,053.16-1,668,665.68

Finding the Fourth Proportional to 5,455,150, 8,183,053.16 and 1,668,665.68

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Solution

The fourth proportional to 5,455,150, 8,183,053.16 and 1,668,665.68 is: 2,503,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,150 : 8,183,053.16 = 1,668,665.68 : x
  2. Step 2: Convert to fraction form
    5,455,150/8,183,053.16 = 1,668,665.68/x
  3. Step 3: Cross multiply
    5,455,150x = 8,183,053.16 × 1,668,665.68
  4. Step 4: Simplify right side
    5,455,150x = 13,654,779,965,707.55
  5. Step 5: Solve for x
    x = 13,654,779,965,707.55/5,455,150
  6. Step 6: Final answer
    x = 2,503,098.90

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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.