Home / 2,173,806.74-2,999,929.84-1,206,951.86

Finding the Fourth Proportional to 2,173,806.74, 2,999,929.84 and 1,206,951.86

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Solution

The fourth proportional to 2,173,806.74, 2,999,929.84 and 1,206,951.86 is: 1,665,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,806.74 : 2,999,929.84 = 1,206,951.86 : x
  2. Step 2: Convert to fraction form
    2,173,806.74/2,999,929.84 = 1,206,951.86/x
  3. Step 3: Cross multiply
    2,173,806.74x = 2,999,929.84 × 1,206,951.86
  4. Step 4: Simplify right side
    2,173,806.74x = 3,620,770,900,257.50
  5. Step 5: Solve for x
    x = 3,620,770,900,257.50/2,173,806.74
  6. Step 6: Final answer
    x = 1,665,636.06

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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.