Finding the Fourth Proportional to 3,042,940.24, 4,199,309.16 and 1,666,262.02
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Solution
The fourth proportional to 3,042,940.24, 4,199,309.16 and 1,666,262.02 is: 2,299,469.86
Step by Step Solution
- Step 1: Write the proportion equation
3,042,940.24 : 4,199,309.16 = 1,666,262.02 : x - Step 2: Convert to fraction form
3,042,940.24/4,199,309.16 = 1,666,262.02/x - Step 3: Cross multiply
3,042,940.24x = 4,199,309.16 × 1,666,262.02 - Step 4: Simplify right side
3,042,940.24x = 6,997,149,363,546.10 - Step 5: Solve for x
x = 6,997,149,363,546.10/3,042,940.24 - Step 6: Final answer
x = 2,299,469.86
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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.