Finding the Fourth Proportional to 1,551,631.97, 2,141,211.38 and 863,305.31
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Solution
The fourth proportional to 1,551,631.97, 2,141,211.38 and 863,305.31 is: 1,191,338.66
Step by Step Solution
- Step 1: Write the proportion equation
1,551,631.97 : 2,141,211.38 = 863,305.31 : x - Step 2: Convert to fraction form
1,551,631.97/2,141,211.38 = 863,305.31/x - Step 3: Cross multiply
1,551,631.97x = 2,141,211.38 × 863,305.31 - Step 4: Simplify right side
1,551,631.97x = 1,848,519,155,222.93 - Step 5: Solve for x
x = 1,848,519,155,222.93/1,551,631.97 - Step 6: Final answer
x = 1,191,338.66
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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.