Home / 3,240,979.40-4,472,641.80-1,790,768.30

Finding the Fourth Proportional to 3,240,979.40, 4,472,641.80 and 1,790,768.30

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Solution

The fourth proportional to 3,240,979.40, 4,472,641.80 and 1,790,768.30 is: 2,471,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,979.40 : 4,472,641.80 = 1,790,768.30 : x
  2. Step 2: Convert to fraction form
    3,240,979.40/4,472,641.80 = 1,790,768.30/x
  3. Step 3: Cross multiply
    3,240,979.40x = 4,472,641.80 × 1,790,768.30
  4. Step 4: Simplify right side
    3,240,979.40x = 8,009,465,152,694.94
  5. Step 5: Solve for x
    x = 8,009,465,152,694.94/3,240,979.40
  6. Step 6: Final answer
    x = 2,471,310.11

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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.