Finding the Fourth Proportional to 3,477,383.30, 5,215,484.43 and 918,626.09
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Solution
The fourth proportional to 3,477,383.30, 5,215,484.43 and 918,626.09 is: 1,377,783.14
Step by Step Solution
- Step 1: Write the proportion equation
3,477,383.30 : 5,215,484.43 = 918,626.09 : x - Step 2: Convert to fraction form
3,477,383.30/5,215,484.43 = 918,626.09/x - Step 3: Cross multiply
3,477,383.30x = 5,215,484.43 × 918,626.09 - Step 4: Simplify right side
3,477,383.30x = 4,791,080,069,386.78 - Step 5: Solve for x
x = 4,791,080,069,386.78/3,477,383.30 - Step 6: Final answer
x = 1,377,783.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.