Finding the Fourth Proportional to 7,371,747.90, 11,062,604.10 and 2,579,478.68
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Solution
The fourth proportional to 7,371,747.90, 11,062,604.10 and 2,579,478.68 is: 3,870,961.38
Step by Step Solution
- Step 1: Write the proportion equation
7,371,747.90 : 11,062,604.10 = 2,579,478.68 : x - Step 2: Convert to fraction form
7,371,747.90/11,062,604.10 = 2,579,478.68/x - Step 3: Cross multiply
7,371,747.90x = 11,062,604.10 × 2,579,478.68 - Step 4: Simplify right side
7,371,747.90x = 28,535,751,410,075.86 - Step 5: Solve for x
x = 28,535,751,410,075.86/7,371,747.90 - Step 6: Final answer
x = 3,870,961.38
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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.