Finding the Fourth Proportional to 2,048,663.13, 2,827,311.68 and 1,131,069.03
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Solution
The fourth proportional to 2,048,663.13, 2,827,311.68 and 1,131,069.03 is: 1,560,961.70
Step by Step Solution
- Step 1: Write the proportion equation
2,048,663.13 : 2,827,311.68 = 1,131,069.03 : x - Step 2: Convert to fraction form
2,048,663.13/2,827,311.68 = 1,131,069.03/x - Step 3: Cross multiply
2,048,663.13x = 2,827,311.68 × 1,131,069.03 - Step 4: Simplify right side
2,048,663.13x = 3,197,884,673,749.93 - Step 5: Solve for x
x = 3,197,884,673,749.93/2,048,663.13 - Step 6: Final answer
x = 1,560,961.70
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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.