Home / 2,221,107.47-3,331,864.52-623,659.78

Finding the Fourth Proportional to 2,221,107.47, 3,331,864.52 and 623,659.78

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Solution

The fourth proportional to 2,221,107.47, 3,331,864.52 and 623,659.78 is: 935,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,107.47 : 3,331,864.52 = 623,659.78 : x
  2. Step 2: Convert to fraction form
    2,221,107.47/3,331,864.52 = 623,659.78/x
  3. Step 3: Cross multiply
    2,221,107.47x = 3,331,864.52 × 623,659.78
  4. Step 4: Simplify right side
    2,221,107.47x = 2,077,949,893,533.01
  5. Step 5: Solve for x
    x = 2,077,949,893,533.01/2,221,107.47
  6. Step 6: Final answer
    x = 935,546.76

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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.