Finding the Fourth Proportional to 5,186,253.36, 7,156,841.81 and 2,863,096.06
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Solution
The fourth proportional to 5,186,253.36, 7,156,841.81 and 2,863,096.06 is: 3,950,968.87
Step by Step Solution
- Step 1: Write the proportion equation
5,186,253.36 : 7,156,841.81 = 2,863,096.06 : x - Step 2: Convert to fraction form
5,186,253.36/7,156,841.81 = 2,863,096.06/x - Step 3: Cross multiply
5,186,253.36x = 7,156,841.81 × 2,863,096.06 - Step 4: Simplify right side
5,186,253.36x = 20,490,725,577,519.91 - Step 5: Solve for x
x = 20,490,725,577,519.91/5,186,253.36 - Step 6: Final answer
x = 3,950,968.87
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1.5x scale
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.