Finding the Fourth Proportional to 3,976,447.44, 5,487,652.81 and 2,257,728.00
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Solution
The fourth proportional to 3,976,447.44, 5,487,652.81 and 2,257,728.00 is: 3,115,752.84
Step by Step Solution
- Step 1: Write the proportion equation
3,976,447.44 : 5,487,652.81 = 2,257,728.00 : x - Step 2: Convert to fraction form
3,976,447.44/5,487,652.81 = 2,257,728.00/x - Step 3: Cross multiply
3,976,447.44x = 5,487,652.81 × 2,257,728.00 - Step 4: Simplify right side
3,976,447.44x = 12,389,627,370,333.10 - Step 5: Solve for x
x = 12,389,627,370,333.10/3,976,447.44 - Step 6: Final answer
x = 3,115,752.84
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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.