Finding the Fourth Proportional to 5,564,382.39, 8,347,763.79 and 1,726,121.53
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Solution
The fourth proportional to 5,564,382.39, 8,347,763.79 and 1,726,121.53 is: 2,589,551.51
Step by Step Solution
- Step 1: Write the proportion equation
5,564,382.39 : 8,347,763.79 = 1,726,121.53 : x - Step 2: Convert to fraction form
5,564,382.39/8,347,763.79 = 1,726,121.53/x - Step 3: Cross multiply
5,564,382.39x = 8,347,763.79 × 1,726,121.53 - Step 4: Simplify right side
5,564,382.39x = 14,409,254,810,036.82 - Step 5: Solve for x
x = 14,409,254,810,036.82/5,564,382.39 - Step 6: Final answer
x = 2,589,551.51
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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.