Finding the Fourth Proportional to 3,717,021.02, 5,575,829.56 and 1,412,618.12
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Solution
The fourth proportional to 3,717,021.02, 5,575,829.56 and 1,412,618.12 is: 2,119,040.44
Step by Step Solution
- Step 1: Write the proportion equation
3,717,021.02 : 5,575,829.56 = 1,412,618.12 : x - Step 2: Convert to fraction form
3,717,021.02/5,575,829.56 = 1,412,618.12/x - Step 3: Cross multiply
3,717,021.02x = 5,575,829.56 × 1,412,618.12 - Step 4: Simplify right side
3,717,021.02x = 7,876,517,870,487.63 - Step 5: Solve for x
x = 7,876,517,870,487.63/3,717,021.02 - Step 6: Final answer
x = 2,119,040.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.