Home / 3,117,667.75-4,676,446.23-987,696.51

Finding the Fourth Proportional to 3,117,667.75, 4,676,446.23 and 987,696.51

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Solution

The fourth proportional to 3,117,667.75, 4,676,446.23 and 987,696.51 is: 1,481,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,667.75 : 4,676,446.23 = 987,696.51 : x
  2. Step 2: Convert to fraction form
    3,117,667.75/4,676,446.23 = 987,696.51/x
  3. Step 3: Cross multiply
    3,117,667.75x = 4,676,446.23 × 987,696.51
  4. Step 4: Simplify right side
    3,117,667.75x = 4,618,909,620,573.66
  5. Step 5: Solve for x
    x = 4,618,909,620,573.66/3,117,667.75
  6. Step 6: Final answer
    x = 1,481,527.22

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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.