Home / 3,104,945.15-4,284,823.75-1,728,259.40

Finding the Fourth Proportional to 3,104,945.15, 4,284,823.75 and 1,728,259.40

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Solution

The fourth proportional to 3,104,945.15, 4,284,823.75 and 1,728,259.40 is: 2,384,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104,945.15 : 4,284,823.75 = 1,728,259.40 : x
  2. Step 2: Convert to fraction form
    3,104,945.15/4,284,823.75 = 1,728,259.40/x
  3. Step 3: Cross multiply
    3,104,945.15x = 4,284,823.75 × 1,728,259.40
  4. Step 4: Simplify right side
    3,104,945.15x = 7,405,286,923,280.75
  5. Step 5: Solve for x
    x = 7,405,286,923,280.75/3,104,945.15
  6. Step 6: Final answer
    x = 2,384,997.66

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1.5x scale

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.