Finding the Fourth Proportional to 4,868,040.72, 7,301,858.10 and 1,273,728.09
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Solution
The fourth proportional to 4,868,040.72, 7,301,858.10 and 1,273,728.09 is: 1,910,539.03
Step by Step Solution
- Step 1: Write the proportion equation
4,868,040.72 : 7,301,858.10 = 1,273,728.09 : x - Step 2: Convert to fraction form
4,868,040.72/7,301,858.10 = 1,273,728.09/x - Step 3: Cross multiply
4,868,040.72x = 7,301,858.10 × 1,273,728.09 - Step 4: Simplify right side
4,868,040.72x = 9,300,581,776,815.40 - Step 5: Solve for x
x = 9,300,581,776,815.40/4,868,040.72 - Step 6: Final answer
x = 1,910,539.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.