Home / 5,214,822.80-7,822,234.20-1,620,561.20

Finding the Fourth Proportional to 5,214,822.80, 7,822,234.20 and 1,620,561.20

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Solution

The fourth proportional to 5,214,822.80, 7,822,234.20 and 1,620,561.20 is: 2,430,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,822.80 : 7,822,234.20 = 1,620,561.20 : x
  2. Step 2: Convert to fraction form
    5,214,822.80/7,822,234.20 = 1,620,561.20/x
  3. Step 3: Cross multiply
    5,214,822.80x = 7,822,234.20 × 1,620,561.20
  4. Step 4: Simplify right side
    5,214,822.80x = 12,676,409,241,833.04
  5. Step 5: Solve for x
    x = 12,676,409,241,833.04/5,214,822.80
  6. Step 6: Final answer
    x = 2,430,841.80

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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.