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Finding the Fourth Proportional to 2,599,188.82, 3,899,668.53 and 1,401,226.30

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Solution

The fourth proportional to 2,599,188.82, 3,899,668.53 and 1,401,226.30 is: 2,102,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599,188.82 : 3,899,668.53 = 1,401,226.30 : x
  2. Step 2: Convert to fraction form
    2,599,188.82/3,899,668.53 = 1,401,226.30/x
  3. Step 3: Cross multiply
    2,599,188.82x = 3,899,668.53 × 1,401,226.30
  4. Step 4: Simplify right side
    2,599,188.82x = 5,464,318,105,518.34
  5. Step 5: Solve for x
    x = 5,464,318,105,518.34/2,599,188.82
  6. Step 6: Final answer
    x = 2,102,316.72

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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.