Home / 3,629,128.64-5,008,158.08-1,997,501.12

Finding the Fourth Proportional to 3,629,128.64, 5,008,158.08 and 1,997,501.12

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Solution

The fourth proportional to 3,629,128.64, 5,008,158.08 and 1,997,501.12 is: 2,756,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,128.64 : 5,008,158.08 = 1,997,501.12 : x
  2. Step 2: Convert to fraction form
    3,629,128.64/5,008,158.08 = 1,997,501.12/x
  3. Step 3: Cross multiply
    3,629,128.64x = 5,008,158.08 × 1,997,501.12
  4. Step 4: Simplify right side
    3,629,128.64x = 10,003,801,373,937.05
  5. Step 5: Solve for x
    x = 10,003,801,373,937.05/3,629,128.64
  6. Step 6: Final answer
    x = 2,756,529.84

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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.