Home / 3,997,749.57-5,516,895.28-2,255,788.68

Finding the Fourth Proportional to 3,997,749.57, 5,516,895.28 and 2,255,788.68

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Solution

The fourth proportional to 3,997,749.57, 5,516,895.28 and 2,255,788.68 is: 3,112,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,749.57 : 5,516,895.28 = 2,255,788.68 : x
  2. Step 2: Convert to fraction form
    3,997,749.57/5,516,895.28 = 2,255,788.68/x
  3. Step 3: Cross multiply
    3,997,749.57x = 5,516,895.28 × 2,255,788.68
  4. Step 4: Simplify right side
    3,997,749.57x = 12,444,949,921,369.43
  5. Step 5: Solve for x
    x = 12,444,949,921,369.43/3,997,749.57
  6. Step 6: Final answer
    x = 3,112,988.87

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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.