Home / 2,078,414.70-3,117,622.05-658,905.90

Finding the Fourth Proportional to 2,078,414.70, 3,117,622.05 and 658,905.90

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Solution

The fourth proportional to 2,078,414.70, 3,117,622.05 and 658,905.90 is: 988,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,414.70 : 3,117,622.05 = 658,905.90 : x
  2. Step 2: Convert to fraction form
    2,078,414.70/3,117,622.05 = 658,905.90/x
  3. Step 3: Cross multiply
    2,078,414.70x = 3,117,622.05 × 658,905.90
  4. Step 4: Simplify right side
    2,078,414.70x = 2,054,219,562,715.10
  5. Step 5: Solve for x
    x = 2,054,219,562,715.10/2,078,414.70
  6. Step 6: Final answer
    x = 988,358.85

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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.