Finding the Fourth Proportional to 3,163,276.80, 4,737,916.80 and 2,603,404.80
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Solution
The fourth proportional to 3,163,276.80, 4,737,916.80 and 2,603,404.80 is: 3,899,347.45
Step by Step Solution
- Step 1: Write the proportion equation
3,163,276.80 : 4,737,916.80 = 2,603,404.80 : x - Step 2: Convert to fraction form
3,163,276.80/4,737,916.80 = 2,603,404.80/x - Step 3: Cross multiply
3,163,276.80x = 4,737,916.80 × 2,603,404.80 - Step 4: Simplify right side
3,163,276.80x = 12,334,715,339,120.64 - Step 5: Solve for x
x = 12,334,715,339,120.64/3,163,276.80 - Step 6: Final answer
x = 3,899,347.45
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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.