Finding the Fourth Proportional to 5,489,491.84, 7,575,406.25 and 3,042,097.90
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Solution
The fourth proportional to 5,489,491.84, 7,575,406.25 and 3,042,097.90 is: 4,198,043.84
Step by Step Solution
- Step 1: Write the proportion equation
5,489,491.84 : 7,575,406.25 = 3,042,097.90 : x - Step 2: Convert to fraction form
5,489,491.84/7,575,406.25 = 3,042,097.90/x - Step 3: Cross multiply
5,489,491.84x = 7,575,406.25 × 3,042,097.90 - Step 4: Simplify right side
5,489,491.84x = 23,045,127,410,622.87 - Step 5: Solve for x
x = 23,045,127,410,622.87/5,489,491.84 - Step 6: Final answer
x = 4,198,043.84
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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.