Finding the Fourth Proportional to 4,849,786.65, 7,272,567.22 and 1,390,763.24
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Solution
The fourth proportional to 4,849,786.65, 7,272,567.22 and 1,390,763.24 is: 2,085,538.99
Step by Step Solution
- Step 1: Write the proportion equation
4,849,786.65 : 7,272,567.22 = 1,390,763.24 : x - Step 2: Convert to fraction form
4,849,786.65/7,272,567.22 = 1,390,763.24/x - Step 3: Cross multiply
4,849,786.65x = 7,272,567.22 × 1,390,763.24 - Step 4: Simplify right side
4,849,786.65x = 10,114,419,150,004.99 - Step 5: Solve for x
x = 10,114,419,150,004.99/4,849,786.65 - Step 6: Final answer
x = 2,085,538.99
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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.