Finding the Fourth Proportional to 3,104,972.76, 4,284,910.79 and 1,728,331.59
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Solution
The fourth proportional to 3,104,972.76, 4,284,910.79 and 1,728,331.59 is: 2,385,124.52
Step by Step Solution
- Step 1: Write the proportion equation
3,104,972.76 : 4,284,910.79 = 1,728,331.59 : x - Step 2: Convert to fraction form
3,104,972.76/4,284,910.79 = 1,728,331.59/x - Step 3: Cross multiply
3,104,972.76x = 4,284,910.79 × 1,728,331.59 - Step 4: Simplify right side
3,104,972.76x = 7,405,746,678,688.86 - Step 5: Solve for x
x = 7,405,746,678,688.86/3,104,972.76 - Step 6: Final answer
x = 2,385,124.52
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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.