Finding the Fourth Proportional to 5,205,804.99, 7,810,937.61 and 2,013,173.18
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Solution
The fourth proportional to 5,205,804.99, 7,810,937.61 and 2,013,173.18 is: 3,020,622.20
Step by Step Solution
- Step 1: Write the proportion equation
5,205,804.99 : 7,810,937.61 = 2,013,173.18 : x - Step 2: Convert to fraction form
5,205,804.99/7,810,937.61 = 2,013,173.18/x - Step 3: Cross multiply
5,205,804.99x = 7,810,937.61 × 2,013,173.18 - Step 4: Simplify right side
5,205,804.99x = 15,724,770,107,105.30 - Step 5: Solve for x
x = 15,724,770,107,105.30/5,205,804.99 - Step 6: Final answer
x = 3,020,622.20
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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.