Finding the Fourth Proportional to 1,621,757.09, 2,237,653.60 and 968,256.18
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Solution
The fourth proportional to 1,621,757.09, 2,237,653.60 and 968,256.18 is: 1,335,971.91
Step by Step Solution
- Step 1: Write the proportion equation
1,621,757.09 : 2,237,653.60 = 968,256.18 : x - Step 2: Convert to fraction form
1,621,757.09/2,237,653.60 = 968,256.18/x - Step 3: Cross multiply
1,621,757.09x = 2,237,653.60 × 968,256.18 - Step 4: Simplify right side
1,621,757.09x = 2,166,621,924,478.61 - Step 5: Solve for x
x = 2,166,621,924,478.61/1,621,757.09 - Step 6: Final answer
x = 1,335,971.91
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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.