Finding the Fourth Proportional to 3,087,722.57, 4,261,192.65 and 1,711,063.08
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Solution
The fourth proportional to 3,087,722.57, 4,261,192.65 and 1,711,063.08 is: 2,361,342.14
Step by Step Solution
- Step 1: Write the proportion equation
3,087,722.57 : 4,261,192.65 = 1,711,063.08 : x - Step 2: Convert to fraction form
3,087,722.57/4,261,192.65 = 1,711,063.08/x - Step 3: Cross multiply
3,087,722.57x = 4,261,192.65 × 1,711,063.08 - Step 4: Simplify right side
3,087,722.57x = 7,291,169,415,416.39 - Step 5: Solve for x
x = 7,291,169,415,416.39/3,087,722.57 - Step 6: Final answer
x = 2,361,342.14
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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.