Home / 2,712,942.60-4,069,413.90-2,085,025.80

Finding the Fourth Proportional to 2,712,942.60, 4,069,413.90 and 2,085,025.80

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Solution

The fourth proportional to 2,712,942.60, 4,069,413.90 and 2,085,025.80 is: 3,127,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,942.60 : 4,069,413.90 = 2,085,025.80 : x
  2. Step 2: Convert to fraction form
    2,712,942.60/4,069,413.90 = 2,085,025.80/x
  3. Step 3: Cross multiply
    2,712,942.60x = 4,069,413.90 × 2,085,025.80
  4. Step 4: Simplify right side
    2,712,942.60x = 8,484,832,972,378.62
  5. Step 5: Solve for x
    x = 8,484,832,972,378.62/2,712,942.60
  6. Step 6: Final answer
    x = 3,127,538.70

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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.