Finding the Fourth Proportional to 1,862,186.40, 2,793,279.60 and 1,661,419.80
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Solution
The fourth proportional to 1,862,186.40, 2,793,279.60 and 1,661,419.80 is: 2,492,129.70
Step by Step Solution
- Step 1: Write the proportion equation
1,862,186.40 : 2,793,279.60 = 1,661,419.80 : x - Step 2: Convert to fraction form
1,862,186.40/2,793,279.60 = 1,661,419.80/x - Step 3: Cross multiply
1,862,186.40x = 2,793,279.60 × 1,661,419.80 - Step 4: Simplify right side
1,862,186.40x = 4,640,810,034,376.08 - Step 5: Solve for x
x = 4,640,810,034,376.08/1,862,186.40 - Step 6: Final answer
x = 2,492,129.70
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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.