Finding the Fourth Proportional to 3,044,963.36, 4,201,743.20 and 1,686,582.56
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Solution
The fourth proportional to 3,044,963.36, 4,201,743.20 and 1,686,582.56 is: 2,327,314.31
Step by Step Solution
- Step 1: Write the proportion equation
3,044,963.36 : 4,201,743.20 = 1,686,582.56 : x - Step 2: Convert to fraction form
3,044,963.36/4,201,743.20 = 1,686,582.56/x - Step 3: Cross multiply
3,044,963.36x = 4,201,743.20 × 1,686,582.56 - Step 4: Simplify right side
3,044,963.36x = 7,086,586,802,718.59 - Step 5: Solve for x
x = 7,086,586,802,718.59/3,044,963.36 - Step 6: Final answer
x = 2,327,314.31
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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.