Home / 2,799,219.50-4,198,495.89-1,647,154.70

Finding the Fourth Proportional to 2,799,219.50, 4,198,495.89 and 1,647,154.70

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Solution

The fourth proportional to 2,799,219.50, 4,198,495.89 and 1,647,154.70 is: 2,470,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,219.50 : 4,198,495.89 = 1,647,154.70 : x
  2. Step 2: Convert to fraction form
    2,799,219.50/4,198,495.89 = 1,647,154.70/x
  3. Step 3: Cross multiply
    2,799,219.50x = 4,198,495.89 × 1,647,154.70
  4. Step 4: Simplify right side
    2,799,219.50x = 6,915,572,238,144.18
  5. Step 5: Solve for x
    x = 6,915,572,238,144.18/2,799,219.50
  6. Step 6: Final answer
    x = 2,470,535.89

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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.