Home / 1,638,257.89-2,260,806.38-913,151.58

Finding the Fourth Proportional to 1,638,257.89, 2,260,806.38 and 913,151.58

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Solution

The fourth proportional to 1,638,257.89, 2,260,806.38 and 913,151.58 is: 1,260,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,257.89 : 2,260,806.38 = 913,151.58 : x
  2. Step 2: Convert to fraction form
    1,638,257.89/2,260,806.38 = 913,151.58/x
  3. Step 3: Cross multiply
    1,638,257.89x = 2,260,806.38 × 913,151.58
  4. Step 4: Simplify right side
    1,638,257.89x = 2,064,458,902,101.29
  5. Step 5: Solve for x
    x = 2,064,458,902,101.29/1,638,257.89
  6. Step 6: Final answer
    x = 1,260,155.02

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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.