Finding the Fourth Proportional to 1,371,716.40, 1,892,968.24 and 751,543.60
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Solution
The fourth proportional to 1,371,716.40, 1,892,968.24 and 751,543.60 is: 1,037,129.95
Step by Step Solution
- Step 1: Write the proportion equation
1,371,716.40 : 1,892,968.24 = 751,543.60 : x - Step 2: Convert to fraction form
1,371,716.40/1,892,968.24 = 751,543.60/x - Step 3: Cross multiply
1,371,716.40x = 1,892,968.24 × 751,543.60 - Step 4: Simplify right side
1,371,716.40x = 1,422,648,165,775.26 - Step 5: Solve for x
x = 1,422,648,165,775.26/1,371,716.40 - Step 6: Final answer
x = 1,037,129.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.