Finding the Fourth Proportional to 5,465,862.70, 8,198,794.05 and 1,920,006.70
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Solution
The fourth proportional to 5,465,862.70, 8,198,794.05 and 1,920,006.70 is: 2,880,010.05
Step by Step Solution
- Step 1: Write the proportion equation
5,465,862.70 : 8,198,794.05 = 1,920,006.70 : x - Step 2: Convert to fraction form
5,465,862.70/8,198,794.05 = 1,920,006.70/x - Step 3: Cross multiply
5,465,862.70x = 8,198,794.05 × 1,920,006.70 - Step 4: Simplify right side
5,465,862.70x = 15,741,739,507,920.13 - Step 5: Solve for x
x = 15,741,739,507,920.13/5,465,862.70 - Step 6: Final answer
x = 2,880,010.05
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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.