Finding the Fourth Proportional to 1,831,209.67, 2,526,553.92 and 1,442,821.02
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Solution
The fourth proportional to 1,831,209.67, 2,526,553.92 and 1,442,821.02 is: 1,990,686.90
Step by Step Solution
- Step 1: Write the proportion equation
1,831,209.67 : 2,526,553.92 = 1,442,821.02 : x - Step 2: Convert to fraction form
1,831,209.67/2,526,553.92 = 1,442,821.02/x - Step 3: Cross multiply
1,831,209.67x = 2,526,553.92 × 1,442,821.02 - Step 4: Simplify right side
1,831,209.67x = 3,645,365,103,939.40 - Step 5: Solve for x
x = 3,645,365,103,939.40/1,831,209.67 - Step 6: Final answer
x = 1,990,686.90
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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.