Finding the Fourth Proportional to 4,485,972.01, 6,190,562.13 and 2,552,191.09
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Solution
The fourth proportional to 4,485,972.01, 6,190,562.13 and 2,552,191.09 is: 3,521,978.62
Step by Step Solution
- Step 1: Write the proportion equation
4,485,972.01 : 6,190,562.13 = 2,552,191.09 : x - Step 2: Convert to fraction form
4,485,972.01/6,190,562.13 = 2,552,191.09/x - Step 3: Cross multiply
4,485,972.01x = 6,190,562.13 × 2,552,191.09 - Step 4: Simplify right side
4,485,972.01x = 15,799,497,510,277.42 - Step 5: Solve for x
x = 15,799,497,510,277.42/4,485,972.01 - Step 6: Final answer
x = 3,521,978.62
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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.