Finding the Fourth Proportional to 1,754,101.75, 2,631,152.73 and 424,405.75
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Solution
The fourth proportional to 1,754,101.75, 2,631,152.73 and 424,405.75 is: 636,608.65
Step by Step Solution
- Step 1: Write the proportion equation
1,754,101.75 : 2,631,152.73 = 424,405.75 : x - Step 2: Convert to fraction form
1,754,101.75/2,631,152.73 = 424,405.75/x - Step 3: Cross multiply
1,754,101.75x = 2,631,152.73 × 424,405.75 - Step 4: Simplify right side
1,754,101.75x = 1,116,676,347,740.20 - Step 5: Solve for x
x = 1,116,676,347,740.20/1,754,101.75 - Step 6: Final answer
x = 636,608.65
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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.