Finding the Fourth Proportional to 5,561,113.80, 8,341,670.70 and 4,366,720.20
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Solution
The fourth proportional to 5,561,113.80, 8,341,670.70 and 4,366,720.20 is: 6,550,080.30
Step by Step Solution
- Step 1: Write the proportion equation
5,561,113.80 : 8,341,670.70 = 4,366,720.20 : x - Step 2: Convert to fraction form
5,561,113.80/8,341,670.70 = 4,366,720.20/x - Step 3: Cross multiply
5,561,113.80x = 8,341,670.70 × 4,366,720.20 - Step 4: Simplify right side
5,561,113.80x = 36,425,741,947,438.14 - Step 5: Solve for x
x = 36,425,741,947,438.14/5,561,113.80 - Step 6: Final answer
x = 6,550,080.30
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Double scale
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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.