Finding the Fourth Proportional to 3,580,933.36, 4,941,674.04 and 1,949,431.36
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Solution
The fourth proportional to 3,580,933.36, 4,941,674.04 and 1,949,431.36 is: 2,690,207.66
Step by Step Solution
- Step 1: Write the proportion equation
3,580,933.36 : 4,941,674.04 = 1,949,431.36 : x - Step 2: Convert to fraction form
3,580,933.36/4,941,674.04 = 1,949,431.36/x - Step 3: Cross multiply
3,580,933.36x = 4,941,674.04 × 1,949,431.36 - Step 4: Simplify right side
3,580,933.36x = 9,633,454,344,473.90 - Step 5: Solve for x
x = 9,633,454,344,473.90/3,580,933.36 - Step 6: Final answer
x = 2,690,207.66
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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.