Finding the Fourth Proportional to 3,477,378.29, 5,215,476.93 and 918,621.09
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Solution
The fourth proportional to 3,477,378.29, 5,215,476.93 and 918,621.09 is: 1,377,775.64
Step by Step Solution
- Step 1: Write the proportion equation
3,477,378.29 : 5,215,476.93 = 918,621.09 : x - Step 2: Convert to fraction form
3,477,378.29/5,215,476.93 = 918,621.09/x - Step 3: Cross multiply
3,477,378.29x = 5,215,476.93 × 918,621.09 - Step 4: Simplify right side
3,477,378.29x = 4,791,047,102,306.45 - Step 5: Solve for x
x = 4,791,047,102,306.45/3,477,378.29 - Step 6: Final answer
x = 1,377,775.64
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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.