Home / 1,616,819.84-2,231,181.92-891,734.72

Finding the Fourth Proportional to 1,616,819.84, 2,231,181.92 and 891,734.72

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Solution

The fourth proportional to 1,616,819.84, 2,231,181.92 and 891,734.72 is: 1,230,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,819.84 : 2,231,181.92 = 891,734.72 : x
  2. Step 2: Convert to fraction form
    1,616,819.84/2,231,181.92 = 891,734.72/x
  3. Step 3: Cross multiply
    1,616,819.84x = 2,231,181.92 × 891,734.72
  4. Step 4: Simplify right side
    1,616,819.84x = 1,989,622,384,700.26
  5. Step 5: Solve for x
    x = 1,989,622,384,700.26/1,616,819.84
  6. Step 6: Final answer
    x = 1,230,577.67

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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.