Finding the Fourth Proportional to 6,478,414.36, 8,940,211.84 and 3,762,335.32
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Solution
The fourth proportional to 6,478,414.36, 8,940,211.84 and 3,762,335.32 is: 5,192,022.76
Step by Step Solution
- Step 1: Write the proportion equation
6,478,414.36 : 8,940,211.84 = 3,762,335.32 : x - Step 2: Convert to fraction form
6,478,414.36/8,940,211.84 = 3,762,335.32/x - Step 3: Cross multiply
6,478,414.36x = 8,940,211.84 × 3,762,335.32 - Step 4: Simplify right side
6,478,414.36x = 33,636,074,773,914.19 - Step 5: Solve for x
x = 33,636,074,773,914.19/6,478,414.36 - Step 6: Final answer
x = 5,192,022.76
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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.