Home / 2,828,086.45-4,242,138.48-698,170.79

Finding the Fourth Proportional to 2,828,086.45, 4,242,138.48 and 698,170.79

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Solution

The fourth proportional to 2,828,086.45, 4,242,138.48 and 698,170.79 is: 1,047,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,086.45 : 4,242,138.48 = 698,170.79 : x
  2. Step 2: Convert to fraction form
    2,828,086.45/4,242,138.48 = 698,170.79/x
  3. Step 3: Cross multiply
    2,828,086.45x = 4,242,138.48 × 698,170.79
  4. Step 4: Simplify right side
    2,828,086.45x = 2,961,737,184,476.35
  5. Step 5: Solve for x
    x = 2,961,737,184,476.35/2,828,086.45
  6. Step 6: Final answer
    x = 1,047,258.36

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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.