Finding the Fourth Proportional to 4,990,954.91, 6,887,538.53 and 2,699,115.60
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Solution
The fourth proportional to 4,990,954.91, 6,887,538.53 and 2,699,115.60 is: 3,724,790.75
Step by Step Solution
- Step 1: Write the proportion equation
4,990,954.91 : 6,887,538.53 = 2,699,115.60 : x - Step 2: Convert to fraction form
4,990,954.91/6,887,538.53 = 2,699,115.60/x - Step 3: Cross multiply
4,990,954.91x = 6,887,538.53 × 2,699,115.60 - Step 4: Simplify right side
4,990,954.91x = 18,590,262,691,924.07 - Step 5: Solve for x
x = 18,590,262,691,924.07/4,990,954.91 - Step 6: Final answer
x = 3,724,790.75
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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.