Finding the Fourth Proportional to 5,224,918.79, 7,210,148.59 and 2,901,959.84
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Solution
The fourth proportional to 5,224,918.79, 7,210,148.59 and 2,901,959.84 is: 4,004,571.64
Step by Step Solution
- Step 1: Write the proportion equation
5,224,918.79 : 7,210,148.59 = 2,901,959.84 : x - Step 2: Convert to fraction form
5,224,918.79/7,210,148.59 = 2,901,959.84/x - Step 3: Cross multiply
5,224,918.79x = 7,210,148.59 × 2,901,959.84 - Step 4: Simplify right side
5,224,918.79x = 20,923,561,616,189.33 - Step 5: Solve for x
x = 20,923,561,616,189.33/5,224,918.79 - Step 6: Final answer
x = 4,004,571.64
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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.