Finding the Fourth Proportional to 5,165,384.52, 7,126,305.30 and 3,230,910.12
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Solution
The fourth proportional to 5,165,384.52, 7,126,305.30 and 3,230,910.12 is: 4,457,451.68
Step by Step Solution
- Step 1: Write the proportion equation
5,165,384.52 : 7,126,305.30 = 3,230,910.12 : x - Step 2: Convert to fraction form
5,165,384.52/7,126,305.30 = 3,230,910.12/x - Step 3: Cross multiply
5,165,384.52x = 7,126,305.30 × 3,230,910.12 - Step 4: Simplify right side
5,165,384.52x = 23,024,451,911,979.64 - Step 5: Solve for x
x = 23,024,451,911,979.64/5,165,384.52 - Step 6: Final answer
x = 4,457,451.68
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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.