Finding the Fourth Proportional to 5,411,674.08, 7,468,093.80 and 3,119,814.72
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Solution
The fourth proportional to 5,411,674.08, 7,468,093.80 and 3,119,814.72 is: 4,305,334.84
Step by Step Solution
- Step 1: Write the proportion equation
5,411,674.08 : 7,468,093.80 = 3,119,814.72 : x - Step 2: Convert to fraction form
5,411,674.08/7,468,093.80 = 3,119,814.72/x - Step 3: Cross multiply
5,411,674.08x = 7,468,093.80 × 3,119,814.72 - Step 4: Simplify right side
5,411,674.08x = 23,299,068,967,580.74 - Step 5: Solve for x
x = 23,299,068,967,580.74/5,411,674.08 - Step 6: Final answer
x = 4,305,334.84
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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.