Home / 1,638,906.10-2,458,359.15-1,607,413.30

Finding the Fourth Proportional to 1,638,906.10, 2,458,359.15 and 1,607,413.30

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Solution

The fourth proportional to 1,638,906.10, 2,458,359.15 and 1,607,413.30 is: 2,411,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,906.10 : 2,458,359.15 = 1,607,413.30 : x
  2. Step 2: Convert to fraction form
    1,638,906.10/2,458,359.15 = 1,607,413.30/x
  3. Step 3: Cross multiply
    1,638,906.10x = 2,458,359.15 × 1,607,413.30
  4. Step 4: Simplify right side
    1,638,906.10x = 3,951,599,193,886.70
  5. Step 5: Solve for x
    x = 3,951,599,193,886.70/1,638,906.10
  6. Step 6: Final answer
    x = 2,411,119.95

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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.