Home / 3,209,653.52-4,426,739.18-2,821,639.31

Finding the Fourth Proportional to 3,209,653.52, 4,426,739.18 and 2,821,639.31

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Solution

The fourth proportional to 3,209,653.52, 4,426,739.18 and 2,821,639.31 is: 3,891,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,653.52 : 4,426,739.18 = 2,821,639.31 : x
  2. Step 2: Convert to fraction form
    3,209,653.52/4,426,739.18 = 2,821,639.31/x
  3. Step 3: Cross multiply
    3,209,653.52x = 4,426,739.18 × 2,821,639.31
  4. Step 4: Simplify right side
    3,209,653.52x = 12,490,661,249,163.27
  5. Step 5: Solve for x
    x = 12,490,661,249,163.27/3,209,653.52
  6. Step 6: Final answer
    x = 3,891,591.78

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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.