Home / 4,315,572.20-6,475,691.10-1,919,786.60

Finding the Fourth Proportional to 4,315,572.20, 6,475,691.10 and 1,919,786.60

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Solution

The fourth proportional to 4,315,572.20, 6,475,691.10 and 1,919,786.60 is: 2,880,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315,572.20 : 6,475,691.10 = 1,919,786.60 : x
  2. Step 2: Convert to fraction form
    4,315,572.20/6,475,691.10 = 1,919,786.60/x
  3. Step 3: Cross multiply
    4,315,572.20x = 6,475,691.10 × 1,919,786.60
  4. Step 4: Simplify right side
    4,315,572.20x = 12,431,944,999,519.26
  5. Step 5: Solve for x
    x = 12,431,944,999,519.26/4,315,572.20
  6. Step 6: Final answer
    x = 2,880,717.65

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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.