Finding the Fourth Proportional to 5,561,108.80, 8,341,663.20 and 4,366,715.20
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Solution
The fourth proportional to 5,561,108.80, 8,341,663.20 and 4,366,715.20 is: 6,550,072.80
Step by Step Solution
- Step 1: Write the proportion equation
5,561,108.80 : 8,341,663.20 = 4,366,715.20 : x - Step 2: Convert to fraction form
5,561,108.80/8,341,663.20 = 4,366,715.20/x - Step 3: Cross multiply
5,561,108.80x = 8,341,663.20 × 4,366,715.20 - Step 4: Simplify right side
5,561,108.80x = 36,425,667,488,720.64 - Step 5: Solve for x
x = 36,425,667,488,720.64/5,561,108.80 - Step 6: Final answer
x = 6,550,072.80
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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.