Finding the Fourth Proportional to 4,987,104.08, 6,879,012.36 and 3,458,653.52
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Solution
The fourth proportional to 4,987,104.08, 6,879,012.36 and 3,458,653.52 is: 4,770,728.65
Step by Step Solution
- Step 1: Write the proportion equation
4,987,104.08 : 6,879,012.36 = 3,458,653.52 : x - Step 2: Convert to fraction form
4,987,104.08/6,879,012.36 = 3,458,653.52/x - Step 3: Cross multiply
4,987,104.08x = 6,879,012.36 × 3,458,653.52 - Step 4: Simplify right side
4,987,104.08x = 23,792,120,313,037.51 - Step 5: Solve for x
x = 23,792,120,313,037.51/4,987,104.08 - Step 6: Final answer
x = 4,770,728.65
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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.