Finding the Fourth Proportional to 1,621,748.49, 2,237,640.87 and 968,247.15
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Solution
The fourth proportional to 1,621,748.49, 2,237,640.87 and 968,247.15 is: 1,335,958.94
Step by Step Solution
- Step 1: Write the proportion equation
1,621,748.49 : 2,237,640.87 = 968,247.15 : x - Step 2: Convert to fraction form
1,621,748.49/2,237,640.87 = 968,247.15/x - Step 3: Cross multiply
1,621,748.49x = 2,237,640.87 × 968,247.15 - Step 4: Simplify right side
1,621,748.49x = 2,166,589,395,101.02 - Step 5: Solve for x
x = 2,166,589,395,101.02/1,621,748.49 - Step 6: Final answer
x = 1,335,958.94
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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.