Finding the Fourth Proportional to 5,757,048.13, 7,941,395.91 and 3,719,857.63
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Solution
The fourth proportional to 5,757,048.13, 7,941,395.91 and 3,719,857.63 is: 5,131,251.55
Step by Step Solution
- Step 1: Write the proportion equation
5,757,048.13 : 7,941,395.91 = 3,719,857.63 : x - Step 2: Convert to fraction form
5,757,048.13/7,941,395.91 = 3,719,857.63/x - Step 3: Cross multiply
5,757,048.13x = 7,941,395.91 × 3,719,857.63 - Step 4: Simplify right side
5,757,048.13x = 29,540,862,168,664.29 - Step 5: Solve for x
x = 29,540,862,168,664.29/5,757,048.13 - Step 6: Final answer
x = 5,131,251.55
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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.