Home / 2,237,344.78-3,087,520.04-1,218,749.54

Finding the Fourth Proportional to 2,237,344.78, 3,087,520.04 and 1,218,749.54

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Solution

The fourth proportional to 2,237,344.78, 3,087,520.04 and 1,218,749.54 is: 1,681,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237,344.78 : 3,087,520.04 = 1,218,749.54 : x
  2. Step 2: Convert to fraction form
    2,237,344.78/3,087,520.04 = 1,218,749.54/x
  3. Step 3: Cross multiply
    2,237,344.78x = 3,087,520.04 × 1,218,749.54
  4. Step 4: Simplify right side
    2,237,344.78x = 3,762,913,628,490.78
  5. Step 5: Solve for x
    x = 3,762,913,628,490.78/2,237,344.78
  6. Step 6: Final answer
    x = 1,681,865.78

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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.