Home / 5,197,413.78-7,790,886.03-2,166,457.35

Finding the Fourth Proportional to 5,197,413.78, 7,790,886.03 and 2,166,457.35

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Solution

The fourth proportional to 5,197,413.78, 7,790,886.03 and 2,166,457.35 is: 3,247,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197,413.78 : 7,790,886.03 = 2,166,457.35 : x
  2. Step 2: Convert to fraction form
    5,197,413.78/7,790,886.03 = 2,166,457.35/x
  3. Step 3: Cross multiply
    5,197,413.78x = 7,790,886.03 × 2,166,457.35
  4. Step 4: Simplify right side
    5,197,413.78x = 16,878,622,302,705.82
  5. Step 5: Solve for x
    x = 16,878,622,302,705.82/5,197,413.78
  6. Step 6: Final answer
    x = 3,247,504.05

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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.