Finding the Fourth Proportional to 1,686,768.64, 2,325,319.46 and 1,202,493.03
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Solution
The fourth proportional to 1,686,768.64, 2,325,319.46 and 1,202,493.03 is: 1,657,714.27
Step by Step Solution
- Step 1: Write the proportion equation
1,686,768.64 : 2,325,319.46 = 1,202,493.03 : x - Step 2: Convert to fraction form
1,686,768.64/2,325,319.46 = 1,202,493.03/x - Step 3: Cross multiply
1,686,768.64x = 2,325,319.46 × 1,202,493.03 - Step 4: Simplify right side
1,686,768.64x = 2,796,180,443,173.36 - Step 5: Solve for x
x = 2,796,180,443,173.36/1,686,768.64 - Step 6: Final answer
x = 1,657,714.27
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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.