Home / 3,405,887.08-5,108,480.70-1,131,562.60

Finding the Fourth Proportional to 3,405,887.08, 5,108,480.70 and 1,131,562.60

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Solution

The fourth proportional to 3,405,887.08, 5,108,480.70 and 1,131,562.60 is: 1,697,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,887.08 : 5,108,480.70 = 1,131,562.60 : x
  2. Step 2: Convert to fraction form
    3,405,887.08/5,108,480.70 = 1,131,562.60/x
  3. Step 3: Cross multiply
    3,405,887.08x = 5,108,480.70 × 1,131,562.60
  4. Step 4: Simplify right side
    3,405,887.08x = 5,780,565,702,941.82
  5. Step 5: Solve for x
    x = 5,780,565,702,941.82/3,405,887.08
  6. Step 6: Final answer
    x = 1,697,227.64

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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.