Home / 5,180,234.70-7,770,352.05-3,290,666.70

Finding the Fourth Proportional to 5,180,234.70, 7,770,352.05 and 3,290,666.70

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Solution

The fourth proportional to 5,180,234.70, 7,770,352.05 and 3,290,666.70 is: 4,936,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,234.70 : 7,770,352.05 = 3,290,666.70 : x
  2. Step 2: Convert to fraction form
    5,180,234.70/7,770,352.05 = 3,290,666.70/x
  3. Step 3: Cross multiply
    5,180,234.70x = 7,770,352.05 × 3,290,666.70
  4. Step 4: Simplify right side
    5,180,234.70x = 25,569,638,738,211.73
  5. Step 5: Solve for x
    x = 25,569,638,738,211.73/5,180,234.70
  6. Step 6: Final answer
    x = 4,936,000.05

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Double scale
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Similar ratio
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1.5x scale

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.