Home / 1,879,910.20-2,820,740.10-982,365.40

Finding the Fourth Proportional to 1,879,910.20, 2,820,740.10 and 982,365.40

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Solution

The fourth proportional to 1,879,910.20, 2,820,740.10 and 982,365.40 is: 1,474,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,910.20 : 2,820,740.10 = 982,365.40 : x
  2. Step 2: Convert to fraction form
    1,879,910.20/2,820,740.10 = 982,365.40/x
  3. Step 3: Cross multiply
    1,879,910.20x = 2,820,740.10 × 982,365.40
  4. Step 4: Simplify right side
    1,879,910.20x = 2,770,997,476,632.54
  5. Step 5: Solve for x
    x = 2,770,997,476,632.54/1,879,910.20
  6. Step 6: Final answer
    x = 1,474,005.24

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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.