Finding the Fourth Proportional to 4,990,959.18, 6,887,544.42 and 2,699,119.87
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Solution
The fourth proportional to 4,990,959.18, 6,887,544.42 and 2,699,119.87 is: 3,724,796.64
Step by Step Solution
- Step 1: Write the proportion equation
4,990,959.18 : 6,887,544.42 = 2,699,119.87 : x - Step 2: Convert to fraction form
4,990,959.18/6,887,544.42 = 2,699,119.87/x - Step 3: Cross multiply
4,990,959.18x = 6,887,544.42 × 2,699,119.87 - Step 4: Simplify right side
4,990,959.18x = 18,590,307,999,529.62 - Step 5: Solve for x
x = 18,590,307,999,529.62/4,990,959.18 - Step 6: Final answer
x = 3,724,796.64
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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.