Finding the Fourth Proportional to 4,018,211.28, 5,545,231.56 and 2,182,668.99
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Solution
The fourth proportional to 4,018,211.28, 5,545,231.56 and 2,182,668.99 is: 3,012,137.52
Step by Step Solution
- Step 1: Write the proportion equation
4,018,211.28 : 5,545,231.56 = 2,182,668.99 : x - Step 2: Convert to fraction form
4,018,211.28/5,545,231.56 = 2,182,668.99/x - Step 3: Cross multiply
4,018,211.28x = 5,545,231.56 × 2,182,668.99 - Step 4: Simplify right side
4,018,211.28x = 12,103,404,968,381.32 - Step 5: Solve for x
x = 12,103,404,968,381.32/4,018,211.28 - Step 6: Final answer
x = 3,012,137.52
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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.