Home / 5,112,558.20-7,668,837.30-2,868,404.60

Finding the Fourth Proportional to 5,112,558.20, 7,668,837.30 and 2,868,404.60

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Solution

The fourth proportional to 5,112,558.20, 7,668,837.30 and 2,868,404.60 is: 4,302,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,558.20 : 7,668,837.30 = 2,868,404.60 : x
  2. Step 2: Convert to fraction form
    5,112,558.20/7,668,837.30 = 2,868,404.60/x
  3. Step 3: Cross multiply
    5,112,558.20x = 7,668,837.30 × 2,868,404.60
  4. Step 4: Simplify right side
    5,112,558.20x = 21,997,328,187,971.58
  5. Step 5: Solve for x
    x = 21,997,328,187,971.58/5,112,558.20
  6. Step 6: Final answer
    x = 4,302,606.90

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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.