Finding the Fourth Proportional to 2,124,715.12, 2,932,102.34 and 1,157,843.10
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Solution
The fourth proportional to 2,124,715.12, 2,932,102.34 and 1,157,843.10 is: 1,597,821.01
Step by Step Solution
- Step 1: Write the proportion equation
2,124,715.12 : 2,932,102.34 = 1,157,843.10 : x - Step 2: Convert to fraction form
2,124,715.12/2,932,102.34 = 1,157,843.10/x - Step 3: Cross multiply
2,124,715.12x = 2,932,102.34 × 1,157,843.10 - Step 4: Simplify right side
2,124,715.12x = 3,394,914,462,862.85 - Step 5: Solve for x
x = 3,394,914,462,862.85/2,124,715.12 - Step 6: Final answer
x = 1,597,821.01
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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.