Finding the Fourth Proportional to 4,850,623.21, 7,273,822.60 and 1,391,599.75
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Solution
The fourth proportional to 4,850,623.21, 7,273,822.60 and 1,391,599.75 is: 2,086,793.64
Step by Step Solution
- Step 1: Write the proportion equation
4,850,623.21 : 7,273,822.60 = 1,391,599.75 : x - Step 2: Convert to fraction form
4,850,623.21/7,273,822.60 = 1,391,599.75/x - Step 3: Cross multiply
4,850,623.21x = 7,273,822.60 × 1,391,599.75 - Step 4: Simplify right side
4,850,623.21x = 10,122,249,668,377.24 - Step 5: Solve for x
x = 10,122,249,668,377.24/4,850,623.21 - Step 6: Final answer
x = 2,086,793.64
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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.