Finding the Fourth Proportional to 1,997,952.16, 2,757,444.24 and 1,126,965.64
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Solution
The fourth proportional to 1,997,952.16, 2,757,444.24 and 1,126,965.64 is: 1,555,365.03
Step by Step Solution
- Step 1: Write the proportion equation
1,997,952.16 : 2,757,444.24 = 1,126,965.64 : x - Step 2: Convert to fraction form
1,997,952.16/2,757,444.24 = 1,126,965.64/x - Step 3: Cross multiply
1,997,952.16x = 2,757,444.24 × 1,126,965.64 - Step 4: Simplify right side
1,997,952.16x = 3,107,544,912,695.91 - Step 5: Solve for x
x = 3,107,544,912,695.91/1,997,952.16 - Step 6: Final answer
x = 1,555,365.03
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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.