Finding the Fourth Proportional to 7,975,381.80, 11,963,072.70 and 2,656,597.80
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Solution
The fourth proportional to 7,975,381.80, 11,963,072.70 and 2,656,597.80 is: 3,984,896.70
Step by Step Solution
- Step 1: Write the proportion equation
7,975,381.80 : 11,963,072.70 = 2,656,597.80 : x - Step 2: Convert to fraction form
7,975,381.80/11,963,072.70 = 2,656,597.80/x - Step 3: Cross multiply
7,975,381.80x = 11,963,072.70 × 2,656,597.80 - Step 4: Simplify right side
7,975,381.80x = 31,781,072,616,060.05 - Step 5: Solve for x
x = 31,781,072,616,060.05/7,975,381.80 - Step 6: Final answer
x = 3,984,896.70
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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.