Finding the Fourth Proportional to 7,770,784.63, 11,656,204.62 and 2,379,412.58
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Solution
The fourth proportional to 7,770,784.63, 11,656,204.62 and 2,379,412.58 is: 3,569,127.34
Step by Step Solution
- Step 1: Write the proportion equation
7,770,784.63 : 11,656,204.62 = 2,379,412.58 : x - Step 2: Convert to fraction form
7,770,784.63/11,656,204.62 = 2,379,412.58/x - Step 3: Cross multiply
7,770,784.63x = 11,656,204.62 × 2,379,412.58 - Step 4: Simplify right side
7,770,784.63x = 27,734,919,907,882.12 - Step 5: Solve for x
x = 27,734,919,907,882.12/7,770,784.63 - Step 6: Final answer
x = 3,569,127.34
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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.