Home / 1,954,206-2,696,489.28-1,228,539.60

Finding the Fourth Proportional to 1,954,206, 2,696,489.28 and 1,228,539.60

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Solution

The fourth proportional to 1,954,206, 2,696,489.28 and 1,228,539.60 is: 1,695,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,206 : 2,696,489.28 = 1,228,539.60 : x
  2. Step 2: Convert to fraction form
    1,954,206/2,696,489.28 = 1,228,539.60/x
  3. Step 3: Cross multiply
    1,954,206x = 2,696,489.28 × 1,228,539.60
  4. Step 4: Simplify right side
    1,954,206x = 3,312,743,861,455.49
  5. Step 5: Solve for x
    x = 3,312,743,861,455.49/1,954,206
  6. Step 6: Final answer
    x = 1,695,186.62

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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.