Finding the Fourth Proportional to 5,336,653.68, 7,364,641.49 and 2,889,318.06
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Solution
The fourth proportional to 5,336,653.68, 7,364,641.49 and 2,889,318.06 is: 3,987,291.09
Step by Step Solution
- Step 1: Write the proportion equation
5,336,653.68 : 7,364,641.49 = 2,889,318.06 : x - Step 2: Convert to fraction form
5,336,653.68/7,364,641.49 = 2,889,318.06/x - Step 3: Cross multiply
5,336,653.68x = 7,364,641.49 × 2,889,318.06 - Step 4: Simplify right side
5,336,653.68x = 21,278,791,662,482.31 - Step 5: Solve for x
x = 21,278,791,662,482.31/5,336,653.68 - Step 6: Final answer
x = 3,987,291.09
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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.