Finding the Fourth Proportional to 1,721,177.52, 2,375,399.16 and 986,229.12
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Solution
The fourth proportional to 1,721,177.52, 2,375,399.16 and 986,229.12 is: 1,361,095.99
Step by Step Solution
- Step 1: Write the proportion equation
1,721,177.52 : 2,375,399.16 = 986,229.12 : x - Step 2: Convert to fraction form
1,721,177.52/2,375,399.16 = 986,229.12/x - Step 3: Cross multiply
1,721,177.52x = 2,375,399.16 × 986,229.12 - Step 4: Simplify right side
1,721,177.52x = 2,342,687,823,215.54 - Step 5: Solve for x
x = 2,342,687,823,215.54/1,721,177.52 - Step 6: Final answer
x = 1,361,095.99
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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.