Home / 2,101,401.80-3,152,102.70-1,251,096.20

Finding the Fourth Proportional to 2,101,401.80, 3,152,102.70 and 1,251,096.20

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Solution

The fourth proportional to 2,101,401.80, 3,152,102.70 and 1,251,096.20 is: 1,876,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,401.80 : 3,152,102.70 = 1,251,096.20 : x
  2. Step 2: Convert to fraction form
    2,101,401.80/3,152,102.70 = 1,251,096.20/x
  3. Step 3: Cross multiply
    2,101,401.80x = 3,152,102.70 × 1,251,096.20
  4. Step 4: Simplify right side
    2,101,401.80x = 3,943,583,709,979.74
  5. Step 5: Solve for x
    x = 3,943,583,709,979.74/2,101,401.80
  6. Step 6: Final answer
    x = 1,876,644.30

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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.