Home / 2,100,857.07-3,152,079.81-822,378.25

Finding the Fourth Proportional to 2,100,857.07, 3,152,079.81 and 822,378.25

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Solution

The fourth proportional to 2,100,857.07, 3,152,079.81 and 822,378.25 is: 1,233,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,857.07 : 3,152,079.81 = 822,378.25 : x
  2. Step 2: Convert to fraction form
    2,100,857.07/3,152,079.81 = 822,378.25/x
  3. Step 3: Cross multiply
    2,100,857.07x = 3,152,079.81 × 822,378.25
  4. Step 4: Simplify right side
    2,100,857.07x = 2,592,201,858,135.84
  5. Step 5: Solve for x
    x = 2,592,201,858,135.84/2,100,857.07
  6. Step 6: Final answer
    x = 1,233,878.26

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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.