Finding the Fourth Proportional to 5,247,286.92, 7,241,348.16 and 2,955,529.08
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Solution
The fourth proportional to 5,247,286.92, 7,241,348.16 and 2,955,529.08 is: 4,078,682.07
Step by Step Solution
- Step 1: Write the proportion equation
5,247,286.92 : 7,241,348.16 = 2,955,529.08 : x - Step 2: Convert to fraction form
5,247,286.92/7,241,348.16 = 2,955,529.08/x - Step 3: Cross multiply
5,247,286.92x = 7,241,348.16 × 2,955,529.08 - Step 4: Simplify right side
5,247,286.92x = 21,402,015,065,284.49 - Step 5: Solve for x
x = 21,402,015,065,284.49/5,247,286.92 - Step 6: Final answer
x = 4,078,682.07
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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.