Finding the Fourth Proportional to 7,850,989.62, 11,776,469.58 and 2,460,052.98
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Solution
The fourth proportional to 7,850,989.62, 11,776,469.58 and 2,460,052.98 is: 3,690,074.82
Step by Step Solution
- Step 1: Write the proportion equation
7,850,989.62 : 11,776,469.58 = 2,460,052.98 : x - Step 2: Convert to fraction form
7,850,989.62/11,776,469.58 = 2,460,052.98/x - Step 3: Cross multiply
7,850,989.62x = 11,776,469.58 × 2,460,052.98 - Step 4: Simplify right side
7,850,989.62x = 28,970,739,084,158.35 - Step 5: Solve for x
x = 28,970,739,084,158.35/7,850,989.62 - Step 6: Final answer
x = 3,690,074.82
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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.