Home / 2,847,974.06-3,932,106.90-1,686,793.70

Finding the Fourth Proportional to 2,847,974.06, 3,932,106.90 and 1,686,793.70

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Solution

The fourth proportional to 2,847,974.06, 3,932,106.90 and 1,686,793.70 is: 2,328,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,974.06 : 3,932,106.90 = 1,686,793.70 : x
  2. Step 2: Convert to fraction form
    2,847,974.06/3,932,106.90 = 1,686,793.70/x
  3. Step 3: Cross multiply
    2,847,974.06x = 3,932,106.90 × 1,686,793.70
  4. Step 4: Simplify right side
    2,847,974.06x = 6,632,653,146,646.53
  5. Step 5: Solve for x
    x = 6,632,653,146,646.53/2,847,974.06
  6. Step 6: Final answer
    x = 2,328,902.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.