Home / 3,175,876.83-4,761,137.39-1,377,405.75

Finding the Fourth Proportional to 3,175,876.83, 4,761,137.39 and 1,377,405.75

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Solution

The fourth proportional to 3,175,876.83, 4,761,137.39 and 1,377,405.75 is: 2,064,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,876.83 : 4,761,137.39 = 1,377,405.75 : x
  2. Step 2: Convert to fraction form
    3,175,876.83/4,761,137.39 = 1,377,405.75/x
  3. Step 3: Cross multiply
    3,175,876.83x = 4,761,137.39 × 1,377,405.75
  4. Step 4: Simplify right side
    3,175,876.83x = 6,558,018,010,638.96
  5. Step 5: Solve for x
    x = 6,558,018,010,638.96/3,175,876.83
  6. Step 6: Final answer
    x = 2,064,947.21

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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.