Finding the Fourth Proportional to 1,724,804.10, 2,362,990.07 and 1,660,158.74
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Solution
The fourth proportional to 1,724,804.10, 2,362,990.07 and 1,660,158.74 is: 2,274,425.62
Step by Step Solution
- Step 1: Write the proportion equation
1,724,804.10 : 2,362,990.07 = 1,660,158.74 : x - Step 2: Convert to fraction form
1,724,804.10/2,362,990.07 = 1,660,158.74/x - Step 3: Cross multiply
1,724,804.10x = 2,362,990.07 × 1,660,158.74 - Step 4: Simplify right side
1,724,804.10x = 3,922,938,627,301.58 - Step 5: Solve for x
x = 3,922,938,627,301.58/1,724,804.10 - Step 6: Final answer
x = 2,274,425.62
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.