Home / 3,552,861.80-5,328,126.30-1,308,708.20

Finding the Fourth Proportional to 3,552,861.80, 5,328,126.30 and 1,308,708.20

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Solution

The fourth proportional to 3,552,861.80, 5,328,126.30 and 1,308,708.20 is: 1,962,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,861.80 : 5,328,126.30 = 1,308,708.20 : x
  2. Step 2: Convert to fraction form
    3,552,861.80/5,328,126.30 = 1,308,708.20/x
  3. Step 3: Cross multiply
    3,552,861.80x = 5,328,126.30 × 1,308,708.20
  4. Step 4: Simplify right side
    3,552,861.80x = 6,972,962,579,445.66
  5. Step 5: Solve for x
    x = 6,972,962,579,445.66/3,552,861.80
  6. Step 6: Final answer
    x = 1,962,632.65

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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.