Home / 2,515,355.78-3,471,076.60-1,369,433.66

Finding the Fourth Proportional to 2,515,355.78, 3,471,076.60 and 1,369,433.66

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Solution

The fourth proportional to 2,515,355.78, 3,471,076.60 and 1,369,433.66 is: 1,889,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,355.78 : 3,471,076.60 = 1,369,433.66 : x
  2. Step 2: Convert to fraction form
    2,515,355.78/3,471,076.60 = 1,369,433.66/x
  3. Step 3: Cross multiply
    2,515,355.78x = 3,471,076.60 × 1,369,433.66
  4. Step 4: Simplify right side
    2,515,355.78x = 4,753,409,111,699.39
  5. Step 5: Solve for x
    x = 4,753,409,111,699.39/2,515,355.78
  6. Step 6: Final answer
    x = 1,889,756.18

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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.