Finding the Fourth Proportional to 3,119,955.92, 4,301,375.60 and 2,477,502.80
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Solution
The fourth proportional to 3,119,955.92, 4,301,375.60 and 2,477,502.80 is: 3,415,647.65
Step by Step Solution
- Step 1: Write the proportion equation
3,119,955.92 : 4,301,375.60 = 2,477,502.80 : x - Step 2: Convert to fraction form
3,119,955.92/4,301,375.60 = 2,477,502.80/x - Step 3: Cross multiply
3,119,955.92x = 4,301,375.60 × 2,477,502.80 - Step 4: Simplify right side
3,119,955.92x = 10,656,670,092,851.68 - Step 5: Solve for x
x = 10,656,670,092,851.68/3,119,955.92 - Step 6: Final answer
x = 3,415,647.65
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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.