Finding the Fourth Proportional to 4,960,438.80, 7,440,663.60 and 1,968,622.80
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Solution
The fourth proportional to 4,960,438.80, 7,440,663.60 and 1,968,622.80 is: 2,952,936.34
Step by Step Solution
- Step 1: Write the proportion equation
4,960,438.80 : 7,440,663.60 = 1,968,622.80 : x - Step 2: Convert to fraction form
4,960,438.80/7,440,663.60 = 1,968,622.80/x - Step 3: Cross multiply
4,960,438.80x = 7,440,663.60 × 1,968,622.80 - Step 4: Simplify right side
4,960,438.80x = 14,647,860,010,090.08 - Step 5: Solve for x
x = 14,647,860,010,090.08/4,960,438.80 - Step 6: Final answer
x = 2,952,936.34
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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.