Home / 3,379,421.80-5,072,819.10-1,886,429.80

Finding the Fourth Proportional to 3,379,421.80, 5,072,819.10 and 1,886,429.80

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Solution

The fourth proportional to 3,379,421.80, 5,072,819.10 and 1,886,429.80 is: 2,831,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,421.80 : 5,072,819.10 = 1,886,429.80 : x
  2. Step 2: Convert to fraction form
    3,379,421.80/5,072,819.10 = 1,886,429.80/x
  3. Step 3: Cross multiply
    3,379,421.80x = 5,072,819.10 × 1,886,429.80
  4. Step 4: Simplify right side
    3,379,421.80x = 9,569,517,120,249.18
  5. Step 5: Solve for x
    x = 9,569,517,120,249.18/3,379,421.80
  6. Step 6: Final answer
    x = 2,831,702.49

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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.