Home / 2,080,275.80-3,120,413.70-1,766,125.40

Finding the Fourth Proportional to 2,080,275.80, 3,120,413.70 and 1,766,125.40

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Solution

The fourth proportional to 2,080,275.80, 3,120,413.70 and 1,766,125.40 is: 2,649,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,275.80 : 3,120,413.70 = 1,766,125.40 : x
  2. Step 2: Convert to fraction form
    2,080,275.80/3,120,413.70 = 1,766,125.40/x
  3. Step 3: Cross multiply
    2,080,275.80x = 3,120,413.70 × 1,766,125.40
  4. Step 4: Simplify right side
    2,080,275.80x = 5,511,041,894,077.98
  5. Step 5: Solve for x
    x = 5,511,041,894,077.98/2,080,275.80
  6. Step 6: Final answer
    x = 2,649,188.10

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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.