Finding the Fourth Proportional to 4,517,832.36, 6,774,759.18 and 2,122,357.80
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Solution
The fourth proportional to 4,517,832.36, 6,774,759.18 and 2,122,357.80 is: 3,182,602.15
Step by Step Solution
- Step 1: Write the proportion equation
4,517,832.36 : 6,774,759.18 = 2,122,357.80 : x - Step 2: Convert to fraction form
4,517,832.36/6,774,759.18 = 2,122,357.80/x - Step 3: Cross multiply
4,517,832.36x = 6,774,759.18 × 2,122,357.80 - Step 4: Simplify right side
4,517,832.36x = 14,378,462,988,794.60 - Step 5: Solve for x
x = 14,378,462,988,794.60/4,517,832.36 - Step 6: Final answer
x = 3,182,602.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.