Home / 2,840,413.20-4,260,641.40-947,151.60

Finding the Fourth Proportional to 2,840,413.20, 4,260,641.40 and 947,151.60

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Solution

The fourth proportional to 2,840,413.20, 4,260,641.40 and 947,151.60 is: 1,420,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,413.20 : 4,260,641.40 = 947,151.60 : x
  2. Step 2: Convert to fraction form
    2,840,413.20/4,260,641.40 = 947,151.60/x
  3. Step 3: Cross multiply
    2,840,413.20x = 4,260,641.40 × 947,151.60
  4. Step 4: Simplify right side
    2,840,413.20x = 4,035,473,319,036.24
  5. Step 5: Solve for x
    x = 4,035,473,319,036.24/2,840,413.20
  6. Step 6: Final answer
    x = 1,420,734.60

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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.