Finding the Fourth Proportional to 6,646,053.70, 9,969,080.55 and 5,583,171.70
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Solution
The fourth proportional to 6,646,053.70, 9,969,080.55 and 5,583,171.70 is: 8,374,757.55
Step by Step Solution
- Step 1: Write the proportion equation
6,646,053.70 : 9,969,080.55 = 5,583,171.70 : x - Step 2: Convert to fraction form
6,646,053.70/9,969,080.55 = 5,583,171.70/x - Step 3: Cross multiply
6,646,053.70x = 9,969,080.55 × 5,583,171.70 - Step 4: Simplify right side
6,646,053.70x = 55,659,088,401,780.44 - Step 5: Solve for x
x = 55,659,088,401,780.44/6,646,053.70 - Step 6: Final answer
x = 8,374,757.55
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Similar ratio
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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.