Home / 7,278,829.17-10,919,643.44-2,790,755.25

Finding the Fourth Proportional to 7,278,829.17, 10,919,643.44 and 2,790,755.25

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Solution

The fourth proportional to 7,278,829.17, 10,919,643.44 and 2,790,755.25 is: 4,186,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,829.17 : 10,919,643.44 = 2,790,755.25 : x
  2. Step 2: Convert to fraction form
    7,278,829.17/10,919,643.44 = 2,790,755.25/x
  3. Step 3: Cross multiply
    7,278,829.17x = 10,919,643.44 × 2,790,755.25
  4. Step 4: Simplify right side
    7,278,829.17x = 30,474,052,244,354.29
  5. Step 5: Solve for x
    x = 30,474,052,244,354.29/7,278,829.17
  6. Step 6: Final answer
    x = 4,186,669.52

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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.