Home / 2,051,943.12-3,078,069.39-612,512.82

Finding the Fourth Proportional to 2,051,943.12, 3,078,069.39 and 612,512.82

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Solution

The fourth proportional to 2,051,943.12, 3,078,069.39 and 612,512.82 is: 918,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,943.12 : 3,078,069.39 = 612,512.82 : x
  2. Step 2: Convert to fraction form
    2,051,943.12/3,078,069.39 = 612,512.82/x
  3. Step 3: Cross multiply
    2,051,943.12x = 3,078,069.39 × 612,512.82
  4. Step 4: Simplify right side
    2,051,943.12x = 1,885,356,962,224.58
  5. Step 5: Solve for x
    x = 1,885,356,962,224.58/2,051,943.12
  6. Step 6: Final answer
    x = 918,815.41

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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.