Finding the Fourth Proportional to 3,722,681.80, 5,201,125.70 and 3,722,681.80
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Solution
The fourth proportional to 3,722,681.80, 5,201,125.70 and 3,722,681.80 is: 5,201,125.70
Step by Step Solution
- Step 1: Write the proportion equation
3,722,681.80 : 5,201,125.70 = 3,722,681.80 : x - Step 2: Convert to fraction form
3,722,681.80/5,201,125.70 = 3,722,681.80/x - Step 3: Cross multiply
3,722,681.80x = 5,201,125.70 × 3,722,681.80 - Step 4: Simplify right side
3,722,681.80x = 19,362,135,982,902.26 - Step 5: Solve for x
x = 19,362,135,982,902.26/3,722,681.80 - Step 6: Final answer
x = 5,201,125.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.