Finding the Fourth Proportional to 2,226,337.92, 3,072,352.23 and 1,207,742.67
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Solution
The fourth proportional to 2,226,337.92, 3,072,352.23 and 1,207,742.67 is: 1,666,688.09
Step by Step Solution
- Step 1: Write the proportion equation
2,226,337.92 : 3,072,352.23 = 1,207,742.67 : x - Step 2: Convert to fraction form
2,226,337.92/3,072,352.23 = 1,207,742.67/x - Step 3: Cross multiply
2,226,337.92x = 3,072,352.23 × 1,207,742.67 - Step 4: Simplify right side
2,226,337.92x = 3,710,610,885,440.65 - Step 5: Solve for x
x = 3,710,610,885,440.65/2,226,337.92 - Step 6: Final answer
x = 1,666,688.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.