Home / 2,380,825.12-3,285,562.80-1,293,107.20

Finding the Fourth Proportional to 2,380,825.12, 3,285,562.80 and 1,293,107.20

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Solution

The fourth proportional to 2,380,825.12, 3,285,562.80 and 1,293,107.20 is: 1,784,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,825.12 : 3,285,562.80 = 1,293,107.20 : x
  2. Step 2: Convert to fraction form
    2,380,825.12/3,285,562.80 = 1,293,107.20/x
  3. Step 3: Cross multiply
    2,380,825.12x = 3,285,562.80 × 1,293,107.20
  4. Step 4: Simplify right side
    2,380,825.12x = 4,248,584,912,732.16
  5. Step 5: Solve for x
    x = 4,248,584,912,732.16/2,380,825.12
  6. Step 6: Final answer
    x = 1,784,501.04

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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.