Finding the Fourth Proportional to 1,364,359.92, 1,883,554.88 and 820,617.09
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Solution
The fourth proportional to 1,364,359.92, 1,883,554.88 and 820,617.09 is: 1,132,895.58
Step by Step Solution
- Step 1: Write the proportion equation
1,364,359.92 : 1,883,554.88 = 820,617.09 : x - Step 2: Convert to fraction form
1,364,359.92/1,883,554.88 = 820,617.09/x - Step 3: Cross multiply
1,364,359.92x = 1,883,554.88 × 820,617.09 - Step 4: Simplify right side
1,364,359.92x = 1,545,677,320,377.81 - Step 5: Solve for x
x = 1,545,677,320,377.81/1,364,359.92 - Step 6: Final answer
x = 1,132,895.58
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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.