Finding the Fourth Proportional to 5,554,619.49, 8,323,777.70 and 3,130,491.96
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Solution
The fourth proportional to 5,554,619.49, 8,323,777.70 and 3,130,491.96 is: 4,691,143.87
Step by Step Solution
- Step 1: Write the proportion equation
5,554,619.49 : 8,323,777.70 = 3,130,491.96 : x - Step 2: Convert to fraction form
5,554,619.49/8,323,777.70 = 3,130,491.96/x - Step 3: Cross multiply
5,554,619.49x = 8,323,777.70 × 3,130,491.96 - Step 4: Simplify right side
5,554,619.49x = 26,057,519,178,872.32 - Step 5: Solve for x
x = 26,057,519,178,872.32/5,554,619.49 - Step 6: Final answer
x = 4,691,143.87
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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.