Home / 2,836,710-3,914,659.80-1,818,115.20

Finding the Fourth Proportional to 2,836,710, 3,914,659.80 and 1,818,115.20

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Solution

The fourth proportional to 2,836,710, 3,914,659.80 and 1,818,115.20 is: 2,508,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,710 : 3,914,659.80 = 1,818,115.20 : x
  2. Step 2: Convert to fraction form
    2,836,710/3,914,659.80 = 1,818,115.20/x
  3. Step 3: Cross multiply
    2,836,710x = 3,914,659.80 × 1,818,115.20
  4. Step 4: Simplify right side
    2,836,710x = 7,117,302,485,208.96
  5. Step 5: Solve for x
    x = 7,117,302,485,208.96/2,836,710
  6. Step 6: Final answer
    x = 2,508,998.98

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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.