Home / 3,214,338.64-4,820,953.52-908,992.78

Finding the Fourth Proportional to 3,214,338.64, 4,820,953.52 and 908,992.78

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Solution

The fourth proportional to 3,214,338.64, 4,820,953.52 and 908,992.78 is: 1,363,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,338.64 : 4,820,953.52 = 908,992.78 : x
  2. Step 2: Convert to fraction form
    3,214,338.64/4,820,953.52 = 908,992.78/x
  3. Step 3: Cross multiply
    3,214,338.64x = 4,820,953.52 × 908,992.78
  4. Step 4: Simplify right side
    3,214,338.64x = 4,382,211,937,850.62
  5. Step 5: Solve for x
    x = 4,382,211,937,850.62/3,214,338.64
  6. Step 6: Final answer
    x = 1,363,332.38

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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.