Home / 2,208,059.70-3,312,088.50-691,861.80

Finding the Fourth Proportional to 2,208,059.70, 3,312,088.50 and 691,861.80

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Solution

The fourth proportional to 2,208,059.70, 3,312,088.50 and 691,861.80 is: 1,037,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,059.70 : 3,312,088.50 = 691,861.80 : x
  2. Step 2: Convert to fraction form
    2,208,059.70/3,312,088.50 = 691,861.80/x
  3. Step 3: Cross multiply
    2,208,059.70x = 3,312,088.50 × 691,861.80
  4. Step 4: Simplify right side
    2,208,059.70x = 2,291,507,511,369.30
  5. Step 5: Solve for x
    x = 2,291,507,511,369.30/2,208,059.70
  6. Step 6: Final answer
    x = 1,037,792.37

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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.