Home / 3,128,274.72-4,692,625.08-998,519.16

Finding the Fourth Proportional to 3,128,274.72, 4,692,625.08 and 998,519.16

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Solution

The fourth proportional to 3,128,274.72, 4,692,625.08 and 998,519.16 is: 1,497,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,274.72 : 4,692,625.08 = 998,519.16 : x
  2. Step 2: Convert to fraction form
    3,128,274.72/4,692,625.08 = 998,519.16/x
  3. Step 3: Cross multiply
    3,128,274.72x = 4,692,625.08 × 998,519.16
  4. Step 4: Simplify right side
    3,128,274.72x = 4,685,676,053,076.53
  5. Step 5: Solve for x
    x = 4,685,676,053,076.53/3,128,274.72
  6. Step 6: Final answer
    x = 1,497,846.73

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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.