Home / 2,085,137.70-3,134,388.15-1,937,220.90

Finding the Fourth Proportional to 2,085,137.70, 3,134,388.15 and 1,937,220.90

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Solution

The fourth proportional to 2,085,137.70, 3,134,388.15 and 1,937,220.90 is: 2,912,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,137.70 : 3,134,388.15 = 1,937,220.90 : x
  2. Step 2: Convert to fraction form
    2,085,137.70/3,134,388.15 = 1,937,220.90/x
  3. Step 3: Cross multiply
    2,085,137.70x = 3,134,388.15 × 1,937,220.90
  4. Step 4: Simplify right side
    2,085,137.70x = 6,072,002,232,892.34
  5. Step 5: Solve for x
    x = 6,072,002,232,892.34/2,085,137.70
  6. Step 6: Final answer
    x = 2,912,038.97

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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.