Finding the Fourth Proportional to 5,412,299.54, 7,467,216 and 3,690,430.70
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Solution
The fourth proportional to 5,412,299.54, 7,467,216 and 3,690,430.70 is: 5,091,596.09
Step by Step Solution
- Step 1: Write the proportion equation
5,412,299.54 : 7,467,216 = 3,690,430.70 : x - Step 2: Convert to fraction form
5,412,299.54/7,467,216 = 3,690,430.70/x - Step 3: Cross multiply
5,412,299.54x = 7,467,216 × 3,690,430.70 - Step 4: Simplify right side
5,412,299.54x = 27,557,243,169,931.20 - Step 5: Solve for x
x = 27,557,243,169,931.20/5,412,299.54 - Step 6: Final answer
x = 5,091,596.09
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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.