Finding the Fourth Proportional to 4,741,135.30, 7,110,901.50 and 1,328,637.09
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Solution
The fourth proportional to 4,741,135.30, 7,110,901.50 and 1,328,637.09 is: 1,992,731.04
Step by Step Solution
- Step 1: Write the proportion equation
4,741,135.30 : 7,110,901.50 = 1,328,637.09 : x - Step 2: Convert to fraction form
4,741,135.30/7,110,901.50 = 1,328,637.09/x - Step 3: Cross multiply
4,741,135.30x = 7,110,901.50 × 1,328,637.09 - Step 4: Simplify right side
4,741,135.30x = 9,447,807,476,236.64 - Step 5: Solve for x
x = 9,447,807,476,236.64/4,741,135.30 - Step 6: Final answer
x = 1,992,731.04
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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.