Finding the Fourth Proportional to 5,386,857.36, 8,080,295.22 and 4,314,192.18
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Solution
The fourth proportional to 5,386,857.36, 8,080,295.22 and 4,314,192.18 is: 6,471,295.62
Step by Step Solution
- Step 1: Write the proportion equation
5,386,857.36 : 8,080,295.22 = 4,314,192.18 : x - Step 2: Convert to fraction form
5,386,857.36/8,080,295.22 = 4,314,192.18/x - Step 3: Cross multiply
5,386,857.36x = 8,080,295.22 × 4,314,192.18 - Step 4: Simplify right side
5,386,857.36x = 34,859,946,450,215.38 - Step 5: Solve for x
x = 34,859,946,450,215.38/5,386,857.36 - Step 6: Final answer
x = 6,471,295.62
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1.5x scale
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.