Finding the Fourth Proportional to 3,553,465.44, 4,903,782.24 and 1,921,872.94
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Solution
The fourth proportional to 3,553,465.44, 4,903,782.24 and 1,921,872.94 is: 2,652,184.62
Step by Step Solution
- Step 1: Write the proportion equation
3,553,465.44 : 4,903,782.24 = 1,921,872.94 : x - Step 2: Convert to fraction form
3,553,465.44/4,903,782.24 = 1,921,872.94/x - Step 3: Cross multiply
3,553,465.44x = 4,903,782.24 × 1,921,872.94 - Step 4: Simplify right side
3,553,465.44x = 9,424,446,390,708.59 - Step 5: Solve for x
x = 9,424,446,390,708.59/3,553,465.44 - Step 6: Final answer
x = 2,652,184.62
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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.