Home / 1,419,966.17-2,128,371.57-1,081,892.27

Finding the Fourth Proportional to 1,419,966.17, 2,128,371.57 and 1,081,892.27

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Solution

The fourth proportional to 1,419,966.17, 2,128,371.57 and 1,081,892.27 is: 1,621,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,966.17 : 2,128,371.57 = 1,081,892.27 : x
  2. Step 2: Convert to fraction form
    1,419,966.17/2,128,371.57 = 1,081,892.27/x
  3. Step 3: Cross multiply
    1,419,966.17x = 2,128,371.57 × 1,081,892.27
  4. Step 4: Simplify right side
    1,419,966.17x = 2,302,668,749,270.76
  5. Step 5: Solve for x
    x = 2,302,668,749,270.76/1,419,966.17
  6. Step 6: Final answer
    x = 1,621,636.34

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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.