Home / 3,606,804.80-4,976,182.32-2,078,879.12

Finding the Fourth Proportional to 3,606,804.80, 4,976,182.32 and 2,078,879.12

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Solution

The fourth proportional to 3,606,804.80, 4,976,182.32 and 2,078,879.12 is: 2,868,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606,804.80 : 4,976,182.32 = 2,078,879.12 : x
  2. Step 2: Convert to fraction form
    3,606,804.80/4,976,182.32 = 2,078,879.12/x
  3. Step 3: Cross multiply
    3,606,804.80x = 4,976,182.32 × 2,078,879.12
  4. Step 4: Simplify right side
    3,606,804.80x = 10,344,881,522,361.16
  5. Step 5: Solve for x
    x = 10,344,881,522,361.16/3,606,804.80
  6. Step 6: Final answer
    x = 2,868,156.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.