Finding the Fourth Proportional to 5,726,563.62, 7,902,456.12 and 3,148,225.44
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Solution
The fourth proportional to 5,726,563.62, 7,902,456.12 and 3,148,225.44 is: 4,344,440.23
Step by Step Solution
- Step 1: Write the proportion equation
5,726,563.62 : 7,902,456.12 = 3,148,225.44 : x - Step 2: Convert to fraction form
5,726,563.62/7,902,456.12 = 3,148,225.44/x - Step 3: Cross multiply
5,726,563.62x = 7,902,456.12 × 3,148,225.44 - Step 4: Simplify right side
5,726,563.62x = 24,878,713,395,467.69 - Step 5: Solve for x
x = 24,878,713,395,467.69/5,726,563.62 - Step 6: Final answer
x = 4,344,440.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.