Finding the Fourth Proportional to 3,553,197.53, 4,903,427.49 and 1,921,604.81
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Solution
The fourth proportional to 3,553,197.53, 4,903,427.49 and 1,921,604.81 is: 2,651,822.69
Step by Step Solution
- Step 1: Write the proportion equation
3,553,197.53 : 4,903,427.49 = 1,921,604.81 : x - Step 2: Convert to fraction form
3,553,197.53/4,903,427.49 = 1,921,604.81/x - Step 3: Cross multiply
3,553,197.53x = 4,903,427.49 × 1,921,604.81 - Step 4: Simplify right side
3,553,197.53x = 9,422,449,825,753.09 - Step 5: Solve for x
x = 9,422,449,825,753.09/3,553,197.53 - Step 6: Final answer
x = 2,651,822.69
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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.