Finding the Fourth Proportional to 3,492,623.73, 5,239,807.49 and 1,218,180.81
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Solution
The fourth proportional to 3,492,623.73, 5,239,807.49 and 1,218,180.81 is: 1,827,575.32
Step by Step Solution
- Step 1: Write the proportion equation
3,492,623.73 : 5,239,807.49 = 1,218,180.81 : x - Step 2: Convert to fraction form
3,492,623.73/5,239,807.49 = 1,218,180.81/x - Step 3: Cross multiply
3,492,623.73x = 5,239,807.49 × 1,218,180.81 - Step 4: Simplify right side
3,492,623.73x = 6,383,032,932,412.27 - Step 5: Solve for x
x = 6,383,032,932,412.27/3,492,623.73 - Step 6: Final answer
x = 1,827,575.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.