Finding the Fourth Proportional to 4,186,361.91, 6,279,977.30 and 1,153,728.29
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Solution
The fourth proportional to 4,186,361.91, 6,279,977.30 and 1,153,728.29 is: 1,730,712.15
Step by Step Solution
- Step 1: Write the proportion equation
4,186,361.91 : 6,279,977.30 = 1,153,728.29 : x - Step 2: Convert to fraction form
4,186,361.91/6,279,977.30 = 1,153,728.29/x - Step 3: Cross multiply
4,186,361.91x = 6,279,977.30 × 1,153,728.29 - Step 4: Simplify right side
4,186,361.91x = 7,245,387,434,399.29 - Step 5: Solve for x
x = 7,245,387,434,399.29/4,186,361.91 - Step 6: Final answer
x = 1,730,712.15
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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.