Finding the Fourth Proportional to 1,678,979.52, 2,517,195.96 and 868,495.68
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Solution
The fourth proportional to 1,678,979.52, 2,517,195.96 and 868,495.68 is: 1,302,084.86
Step by Step Solution
- Step 1: Write the proportion equation
1,678,979.52 : 2,517,195.96 = 868,495.68 : x - Step 2: Convert to fraction form
1,678,979.52/2,517,195.96 = 868,495.68/x - Step 3: Cross multiply
1,678,979.52x = 2,517,195.96 × 868,495.68 - Step 4: Simplify right side
1,678,979.52x = 2,186,173,816,973.45 - Step 5: Solve for x
x = 2,186,173,816,973.45/1,678,979.52 - Step 6: Final answer
x = 1,302,084.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.