Finding the Fourth Proportional to 5,371,278.39, 7,412,364.98 and 2,923,908.01
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Solution
The fourth proportional to 5,371,278.39, 7,412,364.98 and 2,923,908.01 is: 4,034,993.49
Step by Step Solution
- Step 1: Write the proportion equation
5,371,278.39 : 7,412,364.98 = 2,923,908.01 : x - Step 2: Convert to fraction form
5,371,278.39/7,412,364.98 = 2,923,908.01/x - Step 3: Cross multiply
5,371,278.39x = 7,412,364.98 × 2,923,908.01 - Step 4: Simplify right side
5,371,278.39x = 21,673,073,338,065.49 - Step 5: Solve for x
x = 21,673,073,338,065.49/5,371,278.39 - Step 6: Final answer
x = 4,034,993.49
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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.