Home / 5,386,921.76-8,081,665.68-2,021,157.92

Finding the Fourth Proportional to 5,386,921.76, 8,081,665.68 and 2,021,157.92

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Solution

The fourth proportional to 5,386,921.76, 8,081,665.68 and 2,021,157.92 is: 3,032,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,921.76 : 8,081,665.68 = 2,021,157.92 : x
  2. Step 2: Convert to fraction form
    5,386,921.76/8,081,665.68 = 2,021,157.92/x
  3. Step 3: Cross multiply
    5,386,921.76x = 8,081,665.68 × 2,021,157.92
  4. Step 4: Simplify right side
    5,386,921.76x = 16,334,322,595,924.18
  5. Step 5: Solve for x
    x = 16,334,322,595,924.18/5,386,921.76
  6. Step 6: Final answer
    x = 3,032,218.27

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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.