Home / 3,515,037.15-5,267,397.31-1,981,018.95

Finding the Fourth Proportional to 3,515,037.15, 5,267,397.31 and 1,981,018.95

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Solution

The fourth proportional to 3,515,037.15, 5,267,397.31 and 1,981,018.95 is: 2,968,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,037.15 : 5,267,397.31 = 1,981,018.95 : x
  2. Step 2: Convert to fraction form
    3,515,037.15/5,267,397.31 = 1,981,018.95/x
  3. Step 3: Cross multiply
    3,515,037.15x = 5,267,397.31 × 1,981,018.95
  4. Step 4: Simplify right side
    3,515,037.15x = 10,434,813,888,289.02
  5. Step 5: Solve for x
    x = 10,434,813,888,289.02/3,515,037.15
  6. Step 6: Final answer
    x = 2,968,621.22

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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.