Finding the Fourth Proportional to 3,413,441.40, 5,120,358.64 and 1,283,543.98
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Solution
The fourth proportional to 3,413,441.40, 5,120,358.64 and 1,283,543.98 is: 1,925,389.87
Step by Step Solution
- Step 1: Write the proportion equation
3,413,441.40 : 5,120,358.64 = 1,283,543.98 : x - Step 2: Convert to fraction form
3,413,441.40/5,120,358.64 = 1,283,543.98/x - Step 3: Cross multiply
3,413,441.40x = 5,120,358.64 × 1,283,543.98 - Step 4: Simplify right side
3,413,441.40x = 6,572,205,507,812.99 - Step 5: Solve for x
x = 6,572,205,507,812.99/3,413,441.40 - Step 6: Final answer
x = 1,925,389.87
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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.