Home / 3,240,977.39-4,472,639.04-1,790,766.30

Finding the Fourth Proportional to 3,240,977.39, 4,472,639.04 and 1,790,766.30

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Solution

The fourth proportional to 3,240,977.39, 4,472,639.04 and 1,790,766.30 is: 2,471,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,977.39 : 4,472,639.04 = 1,790,766.30 : x
  2. Step 2: Convert to fraction form
    3,240,977.39/4,472,639.04 = 1,790,766.30/x
  3. Step 3: Cross multiply
    3,240,977.39x = 4,472,639.04 × 1,790,766.30
  4. Step 4: Simplify right side
    3,240,977.39x = 8,009,451,270,768.47
  5. Step 5: Solve for x
    x = 8,009,451,270,768.47/3,240,977.39
  6. Step 6: Final answer
    x = 2,471,307.36

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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.