Finding the Fourth Proportional to 2,132,899.98, 2,943,368.73 and 1,166,007.84
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Solution
The fourth proportional to 2,132,899.98, 2,943,368.73 and 1,166,007.84 is: 1,609,072.65
Step by Step Solution
- Step 1: Write the proportion equation
2,132,899.98 : 2,943,368.73 = 1,166,007.84 : x - Step 2: Convert to fraction form
2,132,899.98/2,943,368.73 = 1,166,007.84/x - Step 3: Cross multiply
2,132,899.98x = 2,943,368.73 × 1,166,007.84 - Step 4: Simplify right side
2,132,899.98x = 3,431,991,015,190.84 - Step 5: Solve for x
x = 3,431,991,015,190.84/2,132,899.98 - Step 6: Final answer
x = 1,609,072.65
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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.