Home / 5,426,413.20-8,139,619.80-4,170,579.60

Finding the Fourth Proportional to 5,426,413.20, 8,139,619.80 and 4,170,579.60

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Solution

The fourth proportional to 5,426,413.20, 8,139,619.80 and 4,170,579.60 is: 6,255,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,413.20 : 8,139,619.80 = 4,170,579.60 : x
  2. Step 2: Convert to fraction form
    5,426,413.20/8,139,619.80 = 4,170,579.60/x
  3. Step 3: Cross multiply
    5,426,413.20x = 8,139,619.80 × 4,170,579.60
  4. Step 4: Simplify right side
    5,426,413.20x = 33,946,932,289,636.08
  5. Step 5: Solve for x
    x = 33,946,932,289,636.08/5,426,413.20
  6. Step 6: Final answer
    x = 6,255,869.40

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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.