Finding the Fourth Proportional to 3,218,510.56, 4,827,765.12 and 822,359.68
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Solution
The fourth proportional to 3,218,510.56, 4,827,765.12 and 822,359.68 is: 1,233,539.34
Step by Step Solution
- Step 1: Write the proportion equation
3,218,510.56 : 4,827,765.12 = 822,359.68 : x - Step 2: Convert to fraction form
3,218,510.56/4,827,765.12 = 822,359.68/x - Step 3: Cross multiply
3,218,510.56x = 4,827,765.12 × 822,359.68 - Step 4: Simplify right side
3,218,510.56x = 3,970,159,379,198.36 - Step 5: Solve for x
x = 3,970,159,379,198.36/3,218,510.56 - Step 6: Final answer
x = 1,233,539.34
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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.