Finding the Fourth Proportional to 4,245,495.72, 6,368,229.18 and 1,721,145
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Solution
The fourth proportional to 4,245,495.72, 6,368,229.18 and 1,721,145 is: 2,581,711.66
Step by Step Solution
- Step 1: Write the proportion equation
4,245,495.72 : 6,368,229.18 = 1,721,145 : x - Step 2: Convert to fraction form
4,245,495.72/6,368,229.18 = 1,721,145/x - Step 3: Cross multiply
4,245,495.72x = 6,368,229.18 × 1,721,145 - Step 4: Simplify right side
4,245,495.72x = 10,960,645,812,011.10 - Step 5: Solve for x
x = 10,960,645,812,011.10/4,245,495.72 - Step 6: Final answer
x = 2,581,711.66
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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.