Home / 2,918,415.22-4,380,279.29-1,553,334.97

Finding the Fourth Proportional to 2,918,415.22, 4,380,279.29 and 1,553,334.97

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Solution

The fourth proportional to 2,918,415.22, 4,380,279.29 and 1,553,334.97 is: 2,331,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,415.22 : 4,380,279.29 = 1,553,334.97 : x
  2. Step 2: Convert to fraction form
    2,918,415.22/4,380,279.29 = 1,553,334.97/x
  3. Step 3: Cross multiply
    2,918,415.22x = 4,380,279.29 × 1,553,334.97
  4. Step 4: Simplify right side
    2,918,415.22x = 6,804,040,999,523.77
  5. Step 5: Solve for x
    x = 6,804,040,999,523.77/2,918,415.22
  6. Step 6: Final answer
    x = 2,331,416.36

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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.