Finding the Fourth Proportional to 7,623,135.75, 11,434,850.93 and 1,865,919.75
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Solution
The fourth proportional to 7,623,135.75, 11,434,850.93 and 1,865,919.75 is: 2,798,915.68
Step by Step Solution
- Step 1: Write the proportion equation
7,623,135.75 : 11,434,850.93 = 1,865,919.75 : x - Step 2: Convert to fraction form
7,623,135.75/11,434,850.93 = 1,865,919.75/x - Step 3: Cross multiply
7,623,135.75x = 11,434,850.93 × 1,865,919.75 - Step 4: Simplify right side
7,623,135.75x = 21,336,514,188,592.87 - Step 5: Solve for x
x = 21,336,514,188,592.87/7,623,135.75 - Step 6: Final answer
x = 2,798,915.68
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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.