Home / 4,119,990.30-6,180,568.65-1,279,806.30

Finding the Fourth Proportional to 4,119,990.30, 6,180,568.65 and 1,279,806.30

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Solution

The fourth proportional to 4,119,990.30, 6,180,568.65 and 1,279,806.30 is: 1,919,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,990.30 : 6,180,568.65 = 1,279,806.30 : x
  2. Step 2: Convert to fraction form
    4,119,990.30/6,180,568.65 = 1,279,806.30/x
  3. Step 3: Cross multiply
    4,119,990.30x = 6,180,568.65 × 1,279,806.30
  4. Step 4: Simplify right side
    4,119,990.30x = 7,909,930,695,852.50
  5. Step 5: Solve for x
    x = 7,909,930,695,852.50/4,119,990.30
  6. Step 6: Final answer
    x = 1,919,890.61

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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.