Finding the Fourth Proportional to 5,208,352.20, 7,812,529.20 and 2,174,062.80
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Solution
The fourth proportional to 5,208,352.20, 7,812,529.20 and 2,174,062.80 is: 3,261,094.58
Step by Step Solution
- Step 1: Write the proportion equation
5,208,352.20 : 7,812,529.20 = 2,174,062.80 : x - Step 2: Convert to fraction form
5,208,352.20/7,812,529.20 = 2,174,062.80/x - Step 3: Cross multiply
5,208,352.20x = 7,812,529.20 × 2,174,062.80 - Step 4: Simplify right side
5,208,352.20x = 16,984,929,107,633.76 - Step 5: Solve for x
x = 16,984,929,107,633.76/5,208,352.20 - Step 6: Final answer
x = 3,261,094.58
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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.