Home / 2,117,139.80-3,175,709.70-2,080,275.80

Finding the Fourth Proportional to 2,117,139.80, 3,175,709.70 and 2,080,275.80

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Solution

The fourth proportional to 2,117,139.80, 3,175,709.70 and 2,080,275.80 is: 3,120,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,139.80 : 3,175,709.70 = 2,080,275.80 : x
  2. Step 2: Convert to fraction form
    2,117,139.80/3,175,709.70 = 2,080,275.80/x
  3. Step 3: Cross multiply
    2,117,139.80x = 3,175,709.70 × 2,080,275.80
  4. Step 4: Simplify right side
    2,117,139.80x = 6,606,352,036,735.26
  5. Step 5: Solve for x
    x = 6,606,352,036,735.26/2,117,139.80
  6. Step 6: Final answer
    x = 3,120,413.70

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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.