Finding the Fourth Proportional to 1,677,827.49, 2,517,070.19 and 666,760.99
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Solution
The fourth proportional to 1,677,827.49, 2,517,070.19 and 666,760.99 is: 1,000,272.21
Step by Step Solution
- Step 1: Write the proportion equation
1,677,827.49 : 2,517,070.19 = 666,760.99 : x - Step 2: Convert to fraction form
1,677,827.49/2,517,070.19 = 666,760.99/x - Step 3: Cross multiply
1,677,827.49x = 2,517,070.19 × 666,760.99 - Step 4: Simplify right side
1,677,827.49x = 1,678,284,211,783.89 - Step 5: Solve for x
x = 1,678,284,211,783.89/1,677,827.49 - Step 6: Final answer
x = 1,000,272.21
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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.