Home / 5,255,631.40-7,883,447.10-1,469,108.20

Finding the Fourth Proportional to 5,255,631.40, 7,883,447.10 and 1,469,108.20

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Solution

The fourth proportional to 5,255,631.40, 7,883,447.10 and 1,469,108.20 is: 2,203,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,631.40 : 7,883,447.10 = 1,469,108.20 : x
  2. Step 2: Convert to fraction form
    5,255,631.40/7,883,447.10 = 1,469,108.20/x
  3. Step 3: Cross multiply
    5,255,631.40x = 7,883,447.10 × 1,469,108.20
  4. Step 4: Simplify right side
    5,255,631.40x = 11,581,636,778,876.22
  5. Step 5: Solve for x
    x = 11,581,636,778,876.22/5,255,631.40
  6. Step 6: Final answer
    x = 2,203,662.30

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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.