Finding the Fourth Proportional to 4,374,028.80, 6,561,043.20 and 1,533,771.90
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Solution
The fourth proportional to 4,374,028.80, 6,561,043.20 and 1,533,771.90 is: 2,300,657.85
Step by Step Solution
- Step 1: Write the proportion equation
4,374,028.80 : 6,561,043.20 = 1,533,771.90 : x - Step 2: Convert to fraction form
4,374,028.80/6,561,043.20 = 1,533,771.90/x - Step 3: Cross multiply
4,374,028.80x = 6,561,043.20 × 1,533,771.90 - Step 4: Simplify right side
4,374,028.80x = 10,063,143,694,846.08 - Step 5: Solve for x
x = 10,063,143,694,846.08/4,374,028.80 - Step 6: Final answer
x = 2,300,657.85
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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.