Finding the Fourth Proportional to 5,745,517.79, 7,928,868.42 and 3,167,290.80
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Solution
The fourth proportional to 5,745,517.79, 7,928,868.42 and 3,167,290.80 is: 4,370,891.00
Step by Step Solution
- Step 1: Write the proportion equation
5,745,517.79 : 7,928,868.42 = 3,167,290.80 : x - Step 2: Convert to fraction form
5,745,517.79/7,928,868.42 = 3,167,290.80/x - Step 3: Cross multiply
5,745,517.79x = 7,928,868.42 × 3,167,290.80 - Step 4: Simplify right side
5,745,517.79x = 25,113,032,001,076.54 - Step 5: Solve for x
x = 25,113,032,001,076.54/5,745,517.79 - Step 6: Final answer
x = 4,370,891.00
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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.