Finding the Fourth Proportional to 1,403,517.67, 1,936,865.97 and 774,881.61
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Solution
The fourth proportional to 1,403,517.67, 1,936,865.97 and 774,881.61 is: 1,069,343.01
Step by Step Solution
- Step 1: Write the proportion equation
1,403,517.67 : 1,936,865.97 = 774,881.61 : x - Step 2: Convert to fraction form
1,403,517.67/1,936,865.97 = 774,881.61/x - Step 3: Cross multiply
1,403,517.67x = 1,936,865.97 × 774,881.61 - Step 4: Simplify right side
1,403,517.67x = 1,500,841,811,745.21 - Step 5: Solve for x
x = 1,500,841,811,745.21/1,403,517.67 - Step 6: Final answer
x = 1,069,343.01
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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.