Home / 1,818,921.07-2,728,630.60-620,521.61

Finding the Fourth Proportional to 1,818,921.07, 2,728,630.60 and 620,521.61

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Solution

The fourth proportional to 1,818,921.07, 2,728,630.60 and 620,521.61 is: 930,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,921.07 : 2,728,630.60 = 620,521.61 : x
  2. Step 2: Convert to fraction form
    1,818,921.07/2,728,630.60 = 620,521.61/x
  3. Step 3: Cross multiply
    1,818,921.07x = 2,728,630.60 × 620,521.61
  4. Step 4: Simplify right side
    1,818,921.07x = 1,693,174,253,161.36
  5. Step 5: Solve for x
    x = 1,693,174,253,161.36/1,818,921.07
  6. Step 6: Final answer
    x = 930,867.36

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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.