Finding the Fourth Proportional to 4,124,936.43, 5,692,326.60 and 2,289,287.09
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Solution
The fourth proportional to 4,124,936.43, 5,692,326.60 and 2,289,287.09 is: 3,159,168.64
Step by Step Solution
- Step 1: Write the proportion equation
4,124,936.43 : 5,692,326.60 = 2,289,287.09 : x - Step 2: Convert to fraction form
4,124,936.43/5,692,326.60 = 2,289,287.09/x - Step 3: Cross multiply
4,124,936.43x = 5,692,326.60 × 2,289,287.09 - Step 4: Simplify right side
4,124,936.43x = 13,031,369,797,443.59 - Step 5: Solve for x
x = 13,031,369,797,443.59/4,124,936.43 - Step 6: Final answer
x = 3,159,168.64
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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.