Finding the Fourth Proportional to 1,738,998.60, 2,608,497.90 and 727,945.80
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Solution
The fourth proportional to 1,738,998.60, 2,608,497.90 and 727,945.80 is: 1,091,918.70
Step by Step Solution
- Step 1: Write the proportion equation
1,738,998.60 : 2,608,497.90 = 727,945.80 : x - Step 2: Convert to fraction form
1,738,998.60/2,608,497.90 = 727,945.80/x - Step 3: Cross multiply
1,738,998.60x = 2,608,497.90 × 727,945.80 - Step 4: Simplify right side
1,738,998.60x = 1,898,845,090,613.82 - Step 5: Solve for x
x = 1,898,845,090,613.82/1,738,998.60 - Step 6: Final answer
x = 1,091,918.70
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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.