Finding the Fourth Proportional to 1,881,705.15, 2,596,975.74 and 1,117,761.75
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Solution
The fourth proportional to 1,881,705.15, 2,596,975.74 and 1,117,761.75 is: 1,542,643.46
Step by Step Solution
- Step 1: Write the proportion equation
1,881,705.15 : 2,596,975.74 = 1,117,761.75 : x - Step 2: Convert to fraction form
1,881,705.15/2,596,975.74 = 1,117,761.75/x - Step 3: Cross multiply
1,881,705.15x = 2,596,975.74 × 1,117,761.75 - Step 4: Simplify right side
1,881,705.15x = 2,902,800,147,849.95 - Step 5: Solve for x
x = 2,902,800,147,849.95/1,881,705.15 - Step 6: Final answer
x = 1,542,643.46
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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.