Finding the Fourth Proportional to 1,815,338.62, 2,505,146.16 and 999,524.98
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Solution
The fourth proportional to 1,815,338.62, 2,505,146.16 and 999,524.98 is: 1,379,332.84
Step by Step Solution
- Step 1: Write the proportion equation
1,815,338.62 : 2,505,146.16 = 999,524.98 : x - Step 2: Convert to fraction form
1,815,338.62/2,505,146.16 = 999,524.98/x - Step 3: Cross multiply
1,815,338.62x = 2,505,146.16 × 999,524.98 - Step 4: Simplify right side
1,815,338.62x = 2,503,956,165,471.08 - Step 5: Solve for x
x = 2,503,956,165,471.08/1,815,338.62 - Step 6: Final answer
x = 1,379,332.84
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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.