Finding the Fourth Proportional to 3,307,869.08, 4,960,907.52 and 911,143.70
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Solution
The fourth proportional to 3,307,869.08, 4,960,907.52 and 911,143.70 is: 1,366,468.72
Step by Step Solution
- Step 1: Write the proportion equation
3,307,869.08 : 4,960,907.52 = 911,143.70 : x - Step 2: Convert to fraction form
3,307,869.08/4,960,907.52 = 911,143.70/x - Step 3: Cross multiply
3,307,869.08x = 4,960,907.52 × 911,143.70 - Step 4: Simplify right side
3,307,869.08x = 4,520,099,633,130.62 - Step 5: Solve for x
x = 4,520,099,633,130.62/3,307,869.08 - Step 6: Final answer
x = 1,366,468.72
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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.