Finding the Fourth Proportional to 2,914,786.74, 4,022,412.84 and 1,625,710.62
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Solution
The fourth proportional to 2,914,786.74, 4,022,412.84 and 1,625,710.62 is: 2,243,484.64
Step by Step Solution
- Step 1: Write the proportion equation
2,914,786.74 : 4,022,412.84 = 1,625,710.62 : x - Step 2: Convert to fraction form
2,914,786.74/4,022,412.84 = 1,625,710.62/x - Step 3: Cross multiply
2,914,786.74x = 4,022,412.84 × 1,625,710.62 - Step 4: Simplify right side
2,914,786.74x = 6,539,279,272,012.36 - Step 5: Solve for x
x = 6,539,279,272,012.36/2,914,786.74 - Step 6: Final answer
x = 2,243,484.64
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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.