Finding the Fourth Proportional to 1,497,887.70, 2,067,082.20 and 818,824.20
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Solution
The fourth proportional to 1,497,887.70, 2,067,082.20 and 818,824.20 is: 1,129,975.85
Step by Step Solution
- Step 1: Write the proportion equation
1,497,887.70 : 2,067,082.20 = 818,824.20 : x - Step 2: Convert to fraction form
1,497,887.70/2,067,082.20 = 818,824.20/x - Step 3: Cross multiply
1,497,887.70x = 2,067,082.20 × 818,824.20 - Step 4: Simplify right side
1,497,887.70x = 1,692,576,928,749.24 - Step 5: Solve for x
x = 1,692,576,928,749.24/1,497,887.70 - Step 6: Final answer
x = 1,129,975.85
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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.