Home / 6,138,121.28-8,470,413.20-3,384,925.00

Finding the Fourth Proportional to 6,138,121.28, 8,470,413.20 and 3,384,925.00

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Solution

The fourth proportional to 6,138,121.28, 8,470,413.20 and 3,384,925.00 is: 4,671,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,121.28 : 8,470,413.20 = 3,384,925.00 : x
  2. Step 2: Convert to fraction form
    6,138,121.28/8,470,413.20 = 3,384,925.00/x
  3. Step 3: Cross multiply
    6,138,121.28x = 8,470,413.20 × 3,384,925.00
  4. Step 4: Simplify right side
    6,138,121.28x = 28,671,713,388,296.28
  5. Step 5: Solve for x
    x = 28,671,713,388,296.28/6,138,121.28
  6. Step 6: Final answer
    x = 4,671,089.43

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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.