Home / 1,868,413.11-2,577,876.75-1,052,331.63

Finding the Fourth Proportional to 1,868,413.11, 2,577,876.75 and 1,052,331.63

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Solution

The fourth proportional to 1,868,413.11, 2,577,876.75 and 1,052,331.63 is: 1,451,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,413.11 : 2,577,876.75 = 1,052,331.63 : x
  2. Step 2: Convert to fraction form
    1,868,413.11/2,577,876.75 = 1,052,331.63/x
  3. Step 3: Cross multiply
    1,868,413.11x = 2,577,876.75 × 1,052,331.63
  4. Step 4: Simplify right side
    1,868,413.11x = 2,712,781,242,266.60
  5. Step 5: Solve for x
    x = 2,712,781,242,266.60/1,868,413.11
  6. Step 6: Final answer
    x = 1,451,917.26

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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.