Home / 2,836,678-3,914,615.64-1,818,082.76

Finding the Fourth Proportional to 2,836,678, 3,914,615.64 and 1,818,082.76

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Solution

The fourth proportional to 2,836,678, 3,914,615.64 and 1,818,082.76 is: 2,508,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,678 : 3,914,615.64 = 1,818,082.76 : x
  2. Step 2: Convert to fraction form
    2,836,678/3,914,615.64 = 1,818,082.76/x
  3. Step 3: Cross multiply
    2,836,678x = 3,914,615.64 × 1,818,082.76
  4. Step 4: Simplify right side
    2,836,678x = 7,117,095,207,110.37
  5. Step 5: Solve for x
    x = 7,117,095,207,110.37/2,836,678
  6. Step 6: Final answer
    x = 2,508,954.21

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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.