Finding the Fourth Proportional to 4,518,968.88, 6,236,169.36 and 2,481,778.16
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Solution
The fourth proportional to 4,518,968.88, 6,236,169.36 and 2,481,778.16 is: 3,424,849.64
Step by Step Solution
- Step 1: Write the proportion equation
4,518,968.88 : 6,236,169.36 = 2,481,778.16 : x - Step 2: Convert to fraction form
4,518,968.88/6,236,169.36 = 2,481,778.16/x - Step 3: Cross multiply
4,518,968.88x = 6,236,169.36 × 2,481,778.16 - Step 4: Simplify right side
4,518,968.88x = 15,476,788,919,709.18 - Step 5: Solve for x
x = 15,476,788,919,709.18/4,518,968.88 - Step 6: Final answer
x = 3,424,849.64
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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.