Home / 2,188,489.94-3,013,430.54-1,983,205.28

Finding the Fourth Proportional to 2,188,489.94, 3,013,430.54 and 1,983,205.28

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Solution

The fourth proportional to 2,188,489.94, 3,013,430.54 and 1,983,205.28 is: 2,730,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,489.94 : 3,013,430.54 = 1,983,205.28 : x
  2. Step 2: Convert to fraction form
    2,188,489.94/3,013,430.54 = 1,983,205.28/x
  3. Step 3: Cross multiply
    2,188,489.94x = 3,013,430.54 × 1,983,205.28
  4. Step 4: Simplify right side
    2,188,489.94x = 5,976,251,357,841.25
  5. Step 5: Solve for x
    x = 5,976,251,357,841.25/2,188,489.94
  6. Step 6: Final answer
    x = 2,730,764.83

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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.