Finding the Fourth Proportional to 1,753,815.87, 2,418,369.21 and 1,522,389.96
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Solution
The fourth proportional to 1,753,815.87, 2,418,369.21 and 1,522,389.96 is: 2,099,251.73
Step by Step Solution
- Step 1: Write the proportion equation
1,753,815.87 : 2,418,369.21 = 1,522,389.96 : x - Step 2: Convert to fraction form
1,753,815.87/2,418,369.21 = 1,522,389.96/x - Step 3: Cross multiply
1,753,815.87x = 2,418,369.21 × 1,522,389.96 - Step 4: Simplify right side
1,753,815.87x = 3,681,701,004,877.13 - Step 5: Solve for x
x = 3,681,701,004,877.13/1,753,815.87 - Step 6: Final answer
x = 2,099,251.73
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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.