Finding the Fourth Proportional to 2,228,502.08, 3,075,406.44 and 1,261,612.64
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Solution
The fourth proportional to 2,228,502.08, 3,075,406.44 and 1,261,612.64 is: 1,741,067.09
Step by Step Solution
- Step 1: Write the proportion equation
2,228,502.08 : 3,075,406.44 = 1,261,612.64 : x - Step 2: Convert to fraction form
2,228,502.08/3,075,406.44 = 1,261,612.64/x - Step 3: Cross multiply
2,228,502.08x = 3,075,406.44 × 1,261,612.64 - Step 4: Simplify right side
2,228,502.08x = 3,879,971,637,841.40 - Step 5: Solve for x
x = 3,879,971,637,841.40/2,228,502.08 - Step 6: Final answer
x = 1,741,067.09
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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.