Home / 2,380,278.80-3,284,781-1,307,190.80

Finding the Fourth Proportional to 2,380,278.80, 3,284,781 and 1,307,190.80

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Solution

The fourth proportional to 2,380,278.80, 3,284,781 and 1,307,190.80 is: 1,803,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,278.80 : 3,284,781 = 1,307,190.80 : x
  2. Step 2: Convert to fraction form
    2,380,278.80/3,284,781 = 1,307,190.80/x
  3. Step 3: Cross multiply
    2,380,278.80x = 3,284,781 × 1,307,190.80
  4. Step 4: Simplify right side
    2,380,278.80x = 4,293,835,503,214.80
  5. Step 5: Solve for x
    x = 4,293,835,503,214.80/2,380,278.80
  6. Step 6: Final answer
    x = 1,803,921.25

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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.