Home / 6,887,919.52-9,505,090.42-3,790,153.20

Finding the Fourth Proportional to 6,887,919.52, 9,505,090.42 and 3,790,153.20

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Solution

The fourth proportional to 6,887,919.52, 9,505,090.42 and 3,790,153.20 is: 5,230,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,919.52 : 9,505,090.42 = 3,790,153.20 : x
  2. Step 2: Convert to fraction form
    6,887,919.52/9,505,090.42 = 3,790,153.20/x
  3. Step 3: Cross multiply
    6,887,919.52x = 9,505,090.42 × 3,790,153.20
  4. Step 4: Simplify right side
    6,887,919.52x = 36,025,748,871,652.34
  5. Step 5: Solve for x
    x = 36,025,748,871,652.34/6,887,919.52
  6. Step 6: Final answer
    x = 5,230,280.17

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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.