Finding the Fourth Proportional to 3,119,929.92, 4,301,339.76 and 2,477,476.80
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Solution
The fourth proportional to 3,119,929.92, 4,301,339.76 and 2,477,476.80 is: 3,415,611.80
Step by Step Solution
- Step 1: Write the proportion equation
3,119,929.92 : 4,301,339.76 = 2,477,476.80 : x - Step 2: Convert to fraction form
3,119,929.92/4,301,339.76 = 2,477,476.80/x - Step 3: Cross multiply
3,119,929.92x = 4,301,339.76 × 2,477,476.80 - Step 4: Simplify right side
3,119,929.92x = 10,656,469,464,317.57 - Step 5: Solve for x
x = 10,656,469,464,317.57/3,119,929.92 - Step 6: Final answer
x = 3,415,611.80
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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.