Finding the Fourth Proportional to 1,661,684.26, 2,492,526.40 and 399,511.88
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Solution
The fourth proportional to 1,661,684.26, 2,492,526.40 and 399,511.88 is: 599,267.82
Step by Step Solution
- Step 1: Write the proportion equation
1,661,684.26 : 2,492,526.40 = 399,511.88 : x - Step 2: Convert to fraction form
1,661,684.26/2,492,526.40 = 399,511.88/x - Step 3: Cross multiply
1,661,684.26x = 2,492,526.40 × 399,511.88 - Step 4: Simplify right side
1,661,684.26x = 995,793,908,013.63 - Step 5: Solve for x
x = 995,793,908,013.63/1,661,684.26 - Step 6: Final answer
x = 599,267.82
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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.