Finding the Fourth Proportional to 3,465,143.87, 5,198,072.25 and 1,307,985.99
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Solution
The fourth proportional to 3,465,143.87, 5,198,072.25 and 1,307,985.99 is: 1,962,113.53
Step by Step Solution
- Step 1: Write the proportion equation
3,465,143.87 : 5,198,072.25 = 1,307,985.99 : x - Step 2: Convert to fraction form
3,465,143.87/5,198,072.25 = 1,307,985.99/x - Step 3: Cross multiply
3,465,143.87x = 5,198,072.25 × 1,307,985.99 - Step 4: Simplify right side
3,465,143.87x = 6,799,005,678,007.78 - Step 5: Solve for x
x = 6,799,005,678,007.78/3,465,143.87 - Step 6: Final answer
x = 1,962,113.53
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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.