Finding the Fourth Proportional to 6,661,764.70, 9,969,027.45 and 4,536,000.70
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Solution
The fourth proportional to 6,661,764.70, 9,969,027.45 and 4,536,000.70 is: 6,787,918.45
Step by Step Solution
- Step 1: Write the proportion equation
6,661,764.70 : 9,969,027.45 = 4,536,000.70 : x - Step 2: Convert to fraction form
6,661,764.70/9,969,027.45 = 4,536,000.70/x - Step 3: Cross multiply
6,661,764.70x = 9,969,027.45 × 4,536,000.70 - Step 4: Simplify right side
6,661,764.70x = 45,219,515,491,519.21 - Step 5: Solve for x
x = 45,219,515,491,519.21/6,661,764.70 - Step 6: Final answer
x = 6,787,918.45
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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.