Finding the Fourth Proportional to 2,921,894.10, 4,032,136.44 and 1,632,745.08
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Solution
The fourth proportional to 2,921,894.10, 4,032,136.44 and 1,632,745.08 is: 2,253,144.95
Step by Step Solution
- Step 1: Write the proportion equation
2,921,894.10 : 4,032,136.44 = 1,632,745.08 : x - Step 2: Convert to fraction form
2,921,894.10/4,032,136.44 = 1,632,745.08/x - Step 3: Cross multiply
2,921,894.10x = 4,032,136.44 × 1,632,745.08 - Step 4: Simplify right side
2,921,894.10x = 6,583,450,934,298.72 - Step 5: Solve for x
x = 6,583,450,934,298.72/2,921,894.10 - Step 6: Final answer
x = 2,253,144.95
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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.