Home / 2,195,998.28-3,030,476.94-1,229,128.31

Finding the Fourth Proportional to 2,195,998.28, 3,030,476.94 and 1,229,128.31

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Solution

The fourth proportional to 2,195,998.28, 3,030,476.94 and 1,229,128.31 is: 1,696,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,998.28 : 3,030,476.94 = 1,229,128.31 : x
  2. Step 2: Convert to fraction form
    2,195,998.28/3,030,476.94 = 1,229,128.31/x
  3. Step 3: Cross multiply
    2,195,998.28x = 3,030,476.94 × 1,229,128.31
  4. Step 4: Simplify right side
    2,195,998.28x = 3,724,844,984,603.79
  5. Step 5: Solve for x
    x = 3,724,844,984,603.79/2,195,998.28
  6. Step 6: Final answer
    x = 1,696,196.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.