Finding the Fourth Proportional to 5,412,184.02, 7,462,828.65 and 3,448,952.07
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Solution
The fourth proportional to 5,412,184.02, 7,462,828.65 and 3,448,952.07 is: 4,755,739.68
Step by Step Solution
- Step 1: Write the proportion equation
5,412,184.02 : 7,462,828.65 = 3,448,952.07 : x - Step 2: Convert to fraction form
5,412,184.02/7,462,828.65 = 3,448,952.07/x - Step 3: Cross multiply
5,412,184.02x = 7,462,828.65 × 3,448,952.07 - Step 4: Simplify right side
5,412,184.02x = 25,738,938,320,472.80 - Step 5: Solve for x
x = 25,738,938,320,472.80/5,412,184.02 - Step 6: Final answer
x = 4,755,739.68
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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.