Home / 2,458,805.78-3,687,321.99-1,038,971.90

Finding the Fourth Proportional to 2,458,805.78, 3,687,321.99 and 1,038,971.90

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Solution

The fourth proportional to 2,458,805.78, 3,687,321.99 and 1,038,971.90 is: 1,558,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458,805.78 : 3,687,321.99 = 1,038,971.90 : x
  2. Step 2: Convert to fraction form
    2,458,805.78/3,687,321.99 = 1,038,971.90/x
  3. Step 3: Cross multiply
    2,458,805.78x = 3,687,321.99 × 1,038,971.90
  4. Step 4: Simplify right side
    2,458,805.78x = 3,831,023,933,862.08
  5. Step 5: Solve for x
    x = 3,831,023,933,862.08/2,458,805.78
  6. Step 6: Final answer
    x = 1,558,083.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.