Home / 3,219,820.70-4,829,731.05-2,100,076.70

Finding the Fourth Proportional to 3,219,820.70, 4,829,731.05 and 2,100,076.70

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Solution

The fourth proportional to 3,219,820.70, 4,829,731.05 and 2,100,076.70 is: 3,150,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,820.70 : 4,829,731.05 = 2,100,076.70 : x
  2. Step 2: Convert to fraction form
    3,219,820.70/4,829,731.05 = 2,100,076.70/x
  3. Step 3: Cross multiply
    3,219,820.70x = 4,829,731.05 × 2,100,076.70
  4. Step 4: Simplify right side
    3,219,820.70x = 10,142,805,645,371.54
  5. Step 5: Solve for x
    x = 10,142,805,645,371.54/3,219,820.70
  6. Step 6: Final answer
    x = 3,150,115.05

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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.