Finding the Fourth Proportional to 4,997,794.34, 7,496,691.57 and 1,211,277.21
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Solution
The fourth proportional to 4,997,794.34, 7,496,691.57 and 1,211,277.21 is: 1,816,915.83
Step by Step Solution
- Step 1: Write the proportion equation
4,997,794.34 : 7,496,691.57 = 1,211,277.21 : x - Step 2: Convert to fraction form
4,997,794.34/7,496,691.57 = 1,211,277.21/x - Step 3: Cross multiply
4,997,794.34x = 7,496,691.57 × 1,211,277.21 - Step 4: Simplify right side
4,997,794.34x = 9,080,571,649,140.12 - Step 5: Solve for x
x = 9,080,571,649,140.12/4,997,794.34 - Step 6: Final answer
x = 1,816,915.83
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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.