Finding the Fourth Proportional to 3,366,848.36, 4,644,585.90 and 1,989,525.68
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Solution
The fourth proportional to 3,366,848.36, 4,644,585.90 and 1,989,525.68 is: 2,744,561.66
Step by Step Solution
- Step 1: Write the proportion equation
3,366,848.36 : 4,644,585.90 = 1,989,525.68 : x - Step 2: Convert to fraction form
3,366,848.36/4,644,585.90 = 1,989,525.68/x - Step 3: Cross multiply
3,366,848.36x = 4,644,585.90 × 1,989,525.68 - Step 4: Simplify right side
3,366,848.36x = 9,240,522,915,210.18 - Step 5: Solve for x
x = 9,240,522,915,210.18/3,366,848.36 - Step 6: Final answer
x = 2,744,561.66
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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.