Finding the Fourth Proportional to 2,745,862.74, 3,789,710.01 and 1,752,859.51
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Solution
The fourth proportional to 2,745,862.74, 3,789,710.01 and 1,752,859.51 is: 2,419,213.87
Step by Step Solution
- Step 1: Write the proportion equation
2,745,862.74 : 3,789,710.01 = 1,752,859.51 : x - Step 2: Convert to fraction form
2,745,862.74/3,789,710.01 = 1,752,859.51/x - Step 3: Cross multiply
2,745,862.74x = 3,789,710.01 × 1,752,859.51 - Step 4: Simplify right side
2,745,862.74x = 6,642,829,221,696.42 - Step 5: Solve for x
x = 6,642,829,221,696.42/2,745,862.74 - Step 6: Final answer
x = 2,419,213.87
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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.