Finding the Fourth Proportional to 3,853,607.57, 5,318,544.96 and 2,221,696.18
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Solution
The fourth proportional to 3,853,607.57, 5,318,544.96 and 2,221,696.18 is: 3,066,267.34
Step by Step Solution
- Step 1: Write the proportion equation
3,853,607.57 : 5,318,544.96 = 2,221,696.18 : x - Step 2: Convert to fraction form
3,853,607.57/5,318,544.96 = 2,221,696.18/x - Step 3: Cross multiply
3,853,607.57x = 5,318,544.96 × 2,221,696.18 - Step 4: Simplify right side
3,853,607.57x = 11,816,191,020,790.25 - Step 5: Solve for x
x = 11,816,191,020,790.25/3,853,607.57 - Step 6: Final answer
x = 3,066,267.34
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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.