Finding the Fourth Proportional to 5,556,943.32, 8,330,623.88 and 2,147,622.23
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Solution
The fourth proportional to 5,556,943.32, 8,330,623.88 and 2,147,622.23 is: 3,219,581.69
Step by Step Solution
- Step 1: Write the proportion equation
5,556,943.32 : 8,330,623.88 = 2,147,622.23 : x - Step 2: Convert to fraction form
5,556,943.32/8,330,623.88 = 2,147,622.23/x - Step 3: Cross multiply
5,556,943.32x = 8,330,623.88 × 2,147,622.23 - Step 4: Simplify right side
5,556,943.32x = 17,891,032,982,065.62 - Step 5: Solve for x
x = 17,891,032,982,065.62/5,556,943.32 - Step 6: Final answer
x = 3,219,581.69
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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.