Finding the Fourth Proportional to 4,751,330.90, 7,126,996.35 and 1,556,561.30
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Solution
The fourth proportional to 4,751,330.90, 7,126,996.35 and 1,556,561.30 is: 2,334,841.95
Step by Step Solution
- Step 1: Write the proportion equation
4,751,330.90 : 7,126,996.35 = 1,556,561.30 : x - Step 2: Convert to fraction form
4,751,330.90/7,126,996.35 = 1,556,561.30/x - Step 3: Cross multiply
4,751,330.90x = 7,126,996.35 × 1,556,561.30 - Step 4: Simplify right side
4,751,330.90x = 11,093,606,703,651.25 - Step 5: Solve for x
x = 11,093,606,703,651.25/4,751,330.90 - Step 6: Final answer
x = 2,334,841.95
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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.