Finding the Fourth Proportional to 1,621,267.13, 2,237,357.56 and 886,222.51
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Solution
The fourth proportional to 1,621,267.13, 2,237,357.56 and 886,222.51 is: 1,222,991.94
Step by Step Solution
- Step 1: Write the proportion equation
1,621,267.13 : 2,237,357.56 = 886,222.51 : x - Step 2: Convert to fraction form
1,621,267.13/2,237,357.56 = 886,222.51/x - Step 3: Cross multiply
1,621,267.13x = 2,237,357.56 × 886,222.51 - Step 4: Simplify right side
1,621,267.13x = 1,982,796,632,590.68 - Step 5: Solve for x
x = 1,982,796,632,590.68/1,621,267.13 - Step 6: Final answer
x = 1,222,991.94
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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.