Finding the Fourth Proportional to 2,389,896.28, 3,586,338.87 and 969,952.21
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Solution
The fourth proportional to 2,389,896.28, 3,586,338.87 and 969,952.21 is: 1,455,534.85
Step by Step Solution
- Step 1: Write the proportion equation
2,389,896.28 : 3,586,338.87 = 969,952.21 : x - Step 2: Convert to fraction form
2,389,896.28/3,586,338.87 = 969,952.21/x - Step 3: Cross multiply
2,389,896.28x = 3,586,338.87 × 969,952.21 - Step 4: Simplify right side
2,389,896.28x = 3,478,577,312,765.40 - Step 5: Solve for x
x = 3,478,577,312,765.40/2,389,896.28 - Step 6: Final answer
x = 1,455,534.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.