Finding the Fourth Proportional to 4,810,968.48, 6,639,144.50 and 2,635,464.20
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Solution
The fourth proportional to 4,810,968.48, 6,639,144.50 and 2,635,464.20 is: 3,636,944.98
Step by Step Solution
- Step 1: Write the proportion equation
4,810,968.48 : 6,639,144.50 = 2,635,464.20 : x - Step 2: Convert to fraction form
4,810,968.48/6,639,144.50 = 2,635,464.20/x - Step 3: Cross multiply
4,810,968.48x = 6,639,144.50 × 2,635,464.20 - Step 4: Simplify right side
4,810,968.48x = 17,497,227,648,376.90 - Step 5: Solve for x
x = 17,497,227,648,376.90/4,810,968.48 - Step 6: Final answer
x = 3,636,944.98
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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.