Home / 1,638,204.58-2,260,835.85-993,651.94

Finding the Fourth Proportional to 1,638,204.58, 2,260,835.85 and 993,651.94

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Solution

The fourth proportional to 1,638,204.58, 2,260,835.85 and 993,651.94 is: 1,371,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,204.58 : 2,260,835.85 = 993,651.94 : x
  2. Step 2: Convert to fraction form
    1,638,204.58/2,260,835.85 = 993,651.94/x
  3. Step 3: Cross multiply
    1,638,204.58x = 2,260,835.85 × 993,651.94
  4. Step 4: Simplify right side
    1,638,204.58x = 2,246,483,928,374.05
  5. Step 5: Solve for x
    x = 2,246,483,928,374.05/1,638,204.58
  6. Step 6: Final answer
    x = 1,371,308.54

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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.