Finding the Fourth Proportional to 5,341,202.70, 8,011,804.05 and 2,146,821.90
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Solution
The fourth proportional to 5,341,202.70, 8,011,804.05 and 2,146,821.90 is: 3,220,232.85
Step by Step Solution
- Step 1: Write the proportion equation
5,341,202.70 : 8,011,804.05 = 2,146,821.90 : x - Step 2: Convert to fraction form
5,341,202.70/8,011,804.05 = 2,146,821.90/x - Step 3: Cross multiply
5,341,202.70x = 8,011,804.05 × 2,146,821.90 - Step 4: Simplify right side
5,341,202.70x = 17,199,916,393,048.69 - Step 5: Solve for x
x = 17,199,916,393,048.69/5,341,202.70 - Step 6: Final answer
x = 3,220,232.85
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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.