Finding the Fourth Proportional to 4,112,991.84, 5,676,569.42 and 2,346,893.65
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Solution
The fourth proportional to 4,112,991.84, 5,676,569.42 and 2,346,893.65 is: 3,239,078.81
Step by Step Solution
- Step 1: Write the proportion equation
4,112,991.84 : 5,676,569.42 = 2,346,893.65 : x - Step 2: Convert to fraction form
4,112,991.84/5,676,569.42 = 2,346,893.65/x - Step 3: Cross multiply
4,112,991.84x = 5,676,569.42 × 2,346,893.65 - Step 4: Simplify right side
4,112,991.84x = 13,322,304,725,582.18 - Step 5: Solve for x
x = 13,322,304,725,582.18/4,112,991.84 - Step 6: Final answer
x = 3,239,078.81
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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.