Finding the Fourth Proportional to 5,644,389.84, 7,789,316.16 and 3,066,121.68
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Solution
The fourth proportional to 5,644,389.84, 7,789,316.16 and 3,066,121.68 is: 4,231,279.52
Step by Step Solution
- Step 1: Write the proportion equation
5,644,389.84 : 7,789,316.16 = 3,066,121.68 : x - Step 2: Convert to fraction form
5,644,389.84/7,789,316.16 = 3,066,121.68/x - Step 3: Cross multiply
5,644,389.84x = 7,789,316.16 × 3,066,121.68 - Step 4: Simplify right side
5,644,389.84x = 23,882,991,150,550.35 - Step 5: Solve for x
x = 23,882,991,150,550.35/5,644,389.84 - Step 6: Final answer
x = 4,231,279.52
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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.