Finding the Fourth Proportional to 6,914,564.70, 9,541,849.20 and 3,817,021.56
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Solution
The fourth proportional to 6,914,564.70, 9,541,849.20 and 3,817,021.56 is: 5,267,351.70
Step by Step Solution
- Step 1: Write the proportion equation
6,914,564.70 : 9,541,849.20 = 3,817,021.56 : x - Step 2: Convert to fraction form
6,914,564.70/9,541,849.20 = 3,817,021.56/x - Step 3: Cross multiply
6,914,564.70x = 9,541,849.20 × 3,817,021.56 - Step 4: Simplify right side
6,914,564.70x = 36,421,444,118,668.75 - Step 5: Solve for x
x = 36,421,444,118,668.75/6,914,564.70 - Step 6: Final answer
x = 5,267,351.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.