Finding the Fourth Proportional to 1,693,611.12, 2,337,177.50 and 919,241.91
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Solution
The fourth proportional to 1,693,611.12, 2,337,177.50 and 919,241.91 is: 1,268,550.66
Step by Step Solution
- Step 1: Write the proportion equation
1,693,611.12 : 2,337,177.50 = 919,241.91 : x - Step 2: Convert to fraction form
1,693,611.12/2,337,177.50 = 919,241.91/x - Step 3: Cross multiply
1,693,611.12x = 2,337,177.50 × 919,241.91 - Step 4: Simplify right side
1,693,611.12x = 2,148,431,498,669.87 - Step 5: Solve for x
x = 2,148,431,498,669.87/1,693,611.12 - Step 6: Final answer
x = 1,268,550.66
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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.