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Finding the Fourth Proportional to 2,061,323.04, 2,844,655.12 and 1,245,413.28

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Solution

The fourth proportional to 2,061,323.04, 2,844,655.12 and 1,245,413.28 is: 1,718,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,323.04 : 2,844,655.12 = 1,245,413.28 : x
  2. Step 2: Convert to fraction form
    2,061,323.04/2,844,655.12 = 1,245,413.28/x
  3. Step 3: Cross multiply
    2,061,323.04x = 2,844,655.12 × 1,245,413.28
  4. Step 4: Simplify right side
    2,061,323.04x = 3,542,771,263,467.99
  5. Step 5: Solve for x
    x = 3,542,771,263,467.99/2,061,323.04
  6. Step 6: Final answer
    x = 1,718,688.04

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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.