Home / 2,118,302.82-3,177,476.37-839,221.56

Finding the Fourth Proportional to 2,118,302.82, 3,177,476.37 and 839,221.56

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Solution

The fourth proportional to 2,118,302.82, 3,177,476.37 and 839,221.56 is: 1,258,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,302.82 : 3,177,476.37 = 839,221.56 : x
  2. Step 2: Convert to fraction form
    2,118,302.82/3,177,476.37 = 839,221.56/x
  3. Step 3: Cross multiply
    2,118,302.82x = 3,177,476.37 × 839,221.56
  4. Step 4: Simplify right side
    2,118,302.82x = 2,666,606,676,094.54
  5. Step 5: Solve for x
    x = 2,666,606,676,094.54/2,118,302.82
  6. Step 6: Final answer
    x = 1,258,841.11

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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.