Home / 3,105,415.52-4,655,352.96-1,211,716.40

Finding the Fourth Proportional to 3,105,415.52, 4,655,352.96 and 1,211,716.40

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Solution

The fourth proportional to 3,105,415.52, 4,655,352.96 and 1,211,716.40 is: 1,816,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,415.52 : 4,655,352.96 = 1,211,716.40 : x
  2. Step 2: Convert to fraction form
    3,105,415.52/4,655,352.96 = 1,211,716.40/x
  3. Step 3: Cross multiply
    3,105,415.52x = 4,655,352.96 × 1,211,716.40
  4. Step 4: Simplify right side
    3,105,415.52x = 5,640,967,529,420.54
  5. Step 5: Solve for x
    x = 5,640,967,529,420.54/3,105,415.52
  6. Step 6: Final answer
    x = 1,816,493.64

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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.