Home / 3,531,905.89-5,298,648.57-1,288,043.89

Finding the Fourth Proportional to 3,531,905.89, 5,298,648.57 and 1,288,043.89

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Solution

The fourth proportional to 3,531,905.89, 5,298,648.57 and 1,288,043.89 is: 1,932,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,905.89 : 5,298,648.57 = 1,288,043.89 : x
  2. Step 2: Convert to fraction form
    3,531,905.89/5,298,648.57 = 1,288,043.89/x
  3. Step 3: Cross multiply
    3,531,905.89x = 5,298,648.57 × 1,288,043.89
  4. Step 4: Simplify right side
    3,531,905.89x = 6,824,891,915,845.74
  5. Step 5: Solve for x
    x = 6,824,891,915,845.74/3,531,905.89
  6. Step 6: Final answer
    x = 1,932,353.84

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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.