Finding the Fourth Proportional to 2,170,824.36, 2,995,837.62 and 1,203,897.03
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Solution
The fourth proportional to 2,170,824.36, 2,995,837.62 and 1,203,897.03 is: 1,661,433.36
Step by Step Solution
- Step 1: Write the proportion equation
2,170,824.36 : 2,995,837.62 = 1,203,897.03 : x - Step 2: Convert to fraction form
2,170,824.36/2,995,837.62 = 1,203,897.03/x - Step 3: Cross multiply
2,170,824.36x = 2,995,837.62 × 1,203,897.03 - Step 4: Simplify right side
2,170,824.36x = 3,606,680,013,080.27 - Step 5: Solve for x
x = 3,606,680,013,080.27/2,170,824.36 - Step 6: Final answer
x = 1,661,433.36
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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.