Home / 2,205,731.52-3,043,551.56-1,378,707.21

Finding the Fourth Proportional to 2,205,731.52, 3,043,551.56 and 1,378,707.21

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Solution

The fourth proportional to 2,205,731.52, 3,043,551.56 and 1,378,707.21 is: 1,902,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,731.52 : 3,043,551.56 = 1,378,707.21 : x
  2. Step 2: Convert to fraction form
    2,205,731.52/3,043,551.56 = 1,378,707.21/x
  3. Step 3: Cross multiply
    2,205,731.52x = 3,043,551.56 × 1,378,707.21
  4. Step 4: Simplify right side
    2,205,731.52x = 4,196,166,472,885.21
  5. Step 5: Solve for x
    x = 4,196,166,472,885.21/2,205,731.52
  6. Step 6: Final answer
    x = 1,902,392.22

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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.