Home / 1,579,371.21-2,179,532.61-891,189.14

Finding the Fourth Proportional to 1,579,371.21, 2,179,532.61 and 891,189.14

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Solution

The fourth proportional to 1,579,371.21, 2,179,532.61 and 891,189.14 is: 1,229,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,371.21 : 2,179,532.61 = 891,189.14 : x
  2. Step 2: Convert to fraction form
    1,579,371.21/2,179,532.61 = 891,189.14/x
  3. Step 3: Cross multiply
    1,579,371.21x = 2,179,532.61 × 891,189.14
  4. Step 4: Simplify right side
    1,579,371.21x = 1,942,375,781,410.19
  5. Step 5: Solve for x
    x = 1,942,375,781,410.19/1,579,371.21
  6. Step 6: Final answer
    x = 1,229,841.20

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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.