Finding the Fourth Proportional to 4,218,315.31, 6,324,660.64 and 1,377,431.47
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Solution
The fourth proportional to 4,218,315.31, 6,324,660.64 and 1,377,431.47 is: 2,065,228.88
Step by Step Solution
- Step 1: Write the proportion equation
4,218,315.31 : 6,324,660.64 = 1,377,431.47 : x - Step 2: Convert to fraction form
4,218,315.31/6,324,660.64 = 1,377,431.47/x - Step 3: Cross multiply
4,218,315.31x = 6,324,660.64 × 1,377,431.47 - Step 4: Simplify right side
4,218,315.31x = 8,711,786,602,606.34 - Step 5: Solve for x
x = 8,711,786,602,606.34/4,218,315.31 - Step 6: Final answer
x = 2,065,228.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.