Home / 2,180,916.75-3,009,520.11-1,214,022.18

Finding the Fourth Proportional to 2,180,916.75, 3,009,520.11 and 1,214,022.18

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Solution

The fourth proportional to 2,180,916.75, 3,009,520.11 and 1,214,022.18 is: 1,675,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,916.75 : 3,009,520.11 = 1,214,022.18 : x
  2. Step 2: Convert to fraction form
    2,180,916.75/3,009,520.11 = 1,214,022.18/x
  3. Step 3: Cross multiply
    2,180,916.75x = 3,009,520.11 × 1,214,022.18
  4. Step 4: Simplify right side
    2,180,916.75x = 3,653,624,149,648.44
  5. Step 5: Solve for x
    x = 3,653,624,149,648.44/2,180,916.75
  6. Step 6: Final answer
    x = 1,675,269.89

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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.