Home / 3,672,056.70-5,508,085.05-1,278,603.90

Finding the Fourth Proportional to 3,672,056.70, 5,508,085.05 and 1,278,603.90

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Solution

The fourth proportional to 3,672,056.70, 5,508,085.05 and 1,278,603.90 is: 1,917,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,056.70 : 5,508,085.05 = 1,278,603.90 : x
  2. Step 2: Convert to fraction form
    3,672,056.70/5,508,085.05 = 1,278,603.90/x
  3. Step 3: Cross multiply
    3,672,056.70x = 5,508,085.05 × 1,278,603.90
  4. Step 4: Simplify right side
    3,672,056.70x = 7,042,659,026,461.69
  5. Step 5: Solve for x
    x = 7,042,659,026,461.69/3,672,056.70
  6. Step 6: Final answer
    x = 1,917,905.85

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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.