Home / 4,115,079.70-6,176,603.55-1,986,657.30

Finding the Fourth Proportional to 4,115,079.70, 6,176,603.55 and 1,986,657.30

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Solution

The fourth proportional to 4,115,079.70, 6,176,603.55 and 1,986,657.30 is: 2,981,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,079.70 : 6,176,603.55 = 1,986,657.30 : x
  2. Step 2: Convert to fraction form
    4,115,079.70/6,176,603.55 = 1,986,657.30/x
  3. Step 3: Cross multiply
    4,115,079.70x = 6,176,603.55 × 1,986,657.30
  4. Step 4: Simplify right side
    4,115,079.70x = 12,270,794,531,813.41
  5. Step 5: Solve for x
    x = 12,270,794,531,813.41/4,115,079.70
  6. Step 6: Final answer
    x = 2,981,909.33

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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.