Home / 1,918,099.43-2,646,788.76-1,058,604.20

Finding the Fourth Proportional to 1,918,099.43, 2,646,788.76 and 1,058,604.20

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Solution

The fourth proportional to 1,918,099.43, 2,646,788.76 and 1,058,604.20 is: 1,460,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,099.43 : 2,646,788.76 = 1,058,604.20 : x
  2. Step 2: Convert to fraction form
    1,918,099.43/2,646,788.76 = 1,058,604.20/x
  3. Step 3: Cross multiply
    1,918,099.43x = 2,646,788.76 × 1,058,604.20
  4. Step 4: Simplify right side
    1,918,099.43x = 2,801,901,684,614.85
  5. Step 5: Solve for x
    x = 2,801,901,684,614.85/1,918,099.43
  6. Step 6: Final answer
    x = 1,460,769.78

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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.