Home / 2,100,026.20-3,145,373.70-1,726,778.20

Finding the Fourth Proportional to 2,100,026.20, 3,145,373.70 and 1,726,778.20

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Solution

The fourth proportional to 2,100,026.20, 3,145,373.70 and 1,726,778.20 is: 2,586,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,026.20 : 3,145,373.70 = 1,726,778.20 : x
  2. Step 2: Convert to fraction form
    2,100,026.20/3,145,373.70 = 1,726,778.20/x
  3. Step 3: Cross multiply
    2,100,026.20x = 3,145,373.70 × 1,726,778.20
  4. Step 4: Simplify right side
    2,100,026.20x = 5,431,362,736,013.34
  5. Step 5: Solve for x
    x = 5,431,362,736,013.34/2,100,026.20
  6. Step 6: Final answer
    x = 2,586,330.94

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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.