Finding the Fourth Proportional to 2,576,965.28, 3,865,945.95 and 979,403.81
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Solution
The fourth proportional to 2,576,965.28, 3,865,945.95 and 979,403.81 is: 1,469,294.99
Step by Step Solution
- Step 1: Write the proportion equation
2,576,965.28 : 3,865,945.95 = 979,403.81 : x - Step 2: Convert to fraction form
2,576,965.28/3,865,945.95 = 979,403.81/x - Step 3: Cross multiply
2,576,965.28x = 3,865,945.95 × 979,403.81 - Step 4: Simplify right side
2,576,965.28x = 3,786,322,173,354.34 - Step 5: Solve for x
x = 3,786,322,173,354.34/2,576,965.28 - Step 6: Final answer
x = 1,469,294.99
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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.