Home / 2,998,295.30-4,137,635.20-1,621,640.54

Finding the Fourth Proportional to 2,998,295.30, 4,137,635.20 and 1,621,640.54

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Solution

The fourth proportional to 2,998,295.30, 4,137,635.20 and 1,621,640.54 is: 2,237,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,295.30 : 4,137,635.20 = 1,621,640.54 : x
  2. Step 2: Convert to fraction form
    2,998,295.30/4,137,635.20 = 1,621,640.54/x
  3. Step 3: Cross multiply
    2,998,295.30x = 4,137,635.20 × 1,621,640.54
  4. Step 4: Simplify right side
    2,998,295.30x = 6,709,756,980,051.01
  5. Step 5: Solve for x
    x = 6,709,756,980,051.01/2,998,295.30
  6. Step 6: Final answer
    x = 2,237,857.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.