Home / 6,172,739.93-8,518,288.81-3,419,419.11

Finding the Fourth Proportional to 6,172,739.93, 8,518,288.81 and 3,419,419.11

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Solution

The fourth proportional to 6,172,739.93, 8,518,288.81 and 3,419,419.11 is: 4,718,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,739.93 : 8,518,288.81 = 3,419,419.11 : x
  2. Step 2: Convert to fraction form
    6,172,739.93/8,518,288.81 = 3,419,419.11/x
  3. Step 3: Cross multiply
    6,172,739.93x = 8,518,288.81 × 3,419,419.11
  4. Step 4: Simplify right side
    6,172,739.93x = 29,127,599,541,413.16
  5. Step 5: Solve for x
    x = 29,127,599,541,413.16/6,172,739.93
  6. Step 6: Final answer
    x = 4,718,747.25

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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.