Home / 1,918,217.92-2,647,140.96-1,058,778.41

Finding the Fourth Proportional to 1,918,217.92, 2,647,140.96 and 1,058,778.41

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Solution

The fourth proportional to 1,918,217.92, 2,647,140.96 and 1,058,778.41 is: 1,461,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,217.92 : 2,647,140.96 = 1,058,778.41 : x
  2. Step 2: Convert to fraction form
    1,918,217.92/2,647,140.96 = 1,058,778.41/x
  3. Step 3: Cross multiply
    1,918,217.92x = 2,647,140.96 × 1,058,778.41
  4. Step 4: Simplify right side
    1,918,217.92x = 2,802,735,696,674.67
  5. Step 5: Solve for x
    x = 2,802,735,696,674.67/1,918,217.92
  6. Step 6: Final answer
    x = 1,461,114.33

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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.