Finding the Fourth Proportional to 6,477,403.92, 9,705,471.24 and 2,215,246.80
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Solution
The fourth proportional to 6,477,403.92, 9,705,471.24 and 2,215,246.80 is: 3,319,233.19
Step by Step Solution
- Step 1: Write the proportion equation
6,477,403.92 : 9,705,471.24 = 2,215,246.80 : x - Step 2: Convert to fraction form
6,477,403.92/9,705,471.24 = 2,215,246.80/x - Step 3: Cross multiply
6,477,403.92x = 9,705,471.24 × 2,215,246.80 - Step 4: Simplify right side
6,477,403.92x = 21,500,014,106,902.03 - Step 5: Solve for x
x = 21,500,014,106,902.03/6,477,403.92 - Step 6: Final answer
x = 3,319,233.19
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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.