Home / 2,115,440.40-3,175,234.20-1,051,683.60

Finding the Fourth Proportional to 2,115,440.40, 3,175,234.20 and 1,051,683.60

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Solution

The fourth proportional to 2,115,440.40, 3,175,234.20 and 1,051,683.60 is: 1,578,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,440.40 : 3,175,234.20 = 1,051,683.60 : x
  2. Step 2: Convert to fraction form
    2,115,440.40/3,175,234.20 = 1,051,683.60/x
  3. Step 3: Cross multiply
    2,115,440.40x = 3,175,234.20 × 1,051,683.60
  4. Step 4: Simplify right side
    2,115,440.40x = 3,339,341,734,299.12
  5. Step 5: Solve for x
    x = 3,339,341,734,299.12/2,115,440.40
  6. Step 6: Final answer
    x = 1,578,556.28

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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.