Finding the Fourth Proportional to 5,349,744.63, 7,382,646.72 and 3,057,954.53
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Solution
The fourth proportional to 5,349,744.63, 7,382,646.72 and 3,057,954.53 is: 4,219,976.75
Step by Step Solution
- Step 1: Write the proportion equation
5,349,744.63 : 7,382,646.72 = 3,057,954.53 : x - Step 2: Convert to fraction form
5,349,744.63/7,382,646.72 = 3,057,954.53/x - Step 3: Cross multiply
5,349,744.63x = 7,382,646.72 × 3,057,954.53 - Step 4: Simplify right side
5,349,744.63x = 22,575,797,943,900.41 - Step 5: Solve for x
x = 22,575,797,943,900.41/5,349,744.63 - Step 6: Final answer
x = 4,219,976.75
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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.