Finding the Fourth Proportional to 1,553,006.18, 2,143,144.14 and 873,942.68
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Solution
The fourth proportional to 1,553,006.18, 2,143,144.14 and 873,942.68 is: 1,206,038.43
Step by Step Solution
- Step 1: Write the proportion equation
1,553,006.18 : 2,143,144.14 = 873,942.68 : x - Step 2: Convert to fraction form
1,553,006.18/2,143,144.14 = 873,942.68/x - Step 3: Cross multiply
1,553,006.18x = 2,143,144.14 × 873,942.68 - Step 4: Simplify right side
1,553,006.18x = 1,872,985,122,622.17 - Step 5: Solve for x
x = 1,872,985,122,622.17/1,553,006.18 - Step 6: Final answer
x = 1,206,038.43
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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.