Finding the Fourth Proportional to 2,321,817.99, 3,204,188.99 and 1,289,343.06
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Solution
The fourth proportional to 2,321,817.99, 3,204,188.99 and 1,289,343.06 is: 1,779,337.94
Step by Step Solution
- Step 1: Write the proportion equation
2,321,817.99 : 3,204,188.99 = 1,289,343.06 : x - Step 2: Convert to fraction form
2,321,817.99/3,204,188.99 = 1,289,343.06/x - Step 3: Cross multiply
2,321,817.99x = 3,204,188.99 × 1,289,343.06 - Step 4: Simplify right side
2,321,817.99x = 4,131,298,835,573.23 - Step 5: Solve for x
x = 4,131,298,835,573.23/2,321,817.99 - Step 6: Final answer
x = 1,779,337.94
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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.