Home / 3,515,039.15-5,267,400.32-1,981,020.95

Finding the Fourth Proportional to 3,515,039.15, 5,267,400.32 and 1,981,020.95

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Solution

The fourth proportional to 3,515,039.15, 5,267,400.32 and 1,981,020.95 is: 2,968,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,039.15 : 5,267,400.32 = 1,981,020.95 : x
  2. Step 2: Convert to fraction form
    3,515,039.15/5,267,400.32 = 1,981,020.95/x
  3. Step 3: Cross multiply
    3,515,039.15x = 5,267,400.32 × 1,981,020.95
  4. Step 4: Simplify right side
    3,515,039.15x = 10,434,830,349,714.60
  5. Step 5: Solve for x
    x = 10,434,830,349,714.60/3,515,039.15
  6. Step 6: Final answer
    x = 2,968,624.22

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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.