Finding the Fourth Proportional to 1,621,199.66, 2,237,262.66 and 886,168.94
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Solution
The fourth proportional to 1,621,199.66, 2,237,262.66 and 886,168.94 is: 1,222,917.03
Step by Step Solution
- Step 1: Write the proportion equation
1,621,199.66 : 2,237,262.66 = 886,168.94 : x - Step 2: Convert to fraction form
1,621,199.66/2,237,262.66 = 886,168.94/x - Step 3: Cross multiply
1,621,199.66x = 2,237,262.66 × 886,168.94 - Step 4: Simplify right side
1,621,199.66x = 1,982,592,668,727.47 - Step 5: Solve for x
x = 1,982,592,668,727.47/1,621,199.66 - Step 6: Final answer
x = 1,222,917.03
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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.