Home / 2,657,804.80-3,986,707.20-1,949,216.80

Finding the Fourth Proportional to 2,657,804.80, 3,986,707.20 and 1,949,216.80

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Solution

The fourth proportional to 2,657,804.80, 3,986,707.20 and 1,949,216.80 is: 2,923,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,804.80 : 3,986,707.20 = 1,949,216.80 : x
  2. Step 2: Convert to fraction form
    2,657,804.80/3,986,707.20 = 1,949,216.80/x
  3. Step 3: Cross multiply
    2,657,804.80x = 3,986,707.20 × 1,949,216.80
  4. Step 4: Simplify right side
    2,657,804.80x = 7,770,956,650,920.96
  5. Step 5: Solve for x
    x = 7,770,956,650,920.96/2,657,804.80
  6. Step 6: Final answer
    x = 2,923,825.20

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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.