Finding the Fourth Proportional to 5,676,875.10, 8,515,312.65 and 5,396,939.10
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Solution
The fourth proportional to 5,676,875.10, 8,515,312.65 and 5,396,939.10 is: 8,095,408.65
Step by Step Solution
- Step 1: Write the proportion equation
5,676,875.10 : 8,515,312.65 = 5,396,939.10 : x - Step 2: Convert to fraction form
5,676,875.10/8,515,312.65 = 5,396,939.10/x - Step 3: Cross multiply
5,676,875.10x = 8,515,312.65 × 5,396,939.10 - Step 4: Simplify right side
5,676,875.10x = 45,956,623,789,509.62 - Step 5: Solve for x
x = 45,956,623,789,509.62/5,676,875.10 - Step 6: Final answer
x = 8,095,408.65
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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.