Finding the Fourth Proportional to 2,631,394, 3,631,411.74 and 1,612,601.92
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Solution
The fourth proportional to 2,631,394, 3,631,411.74 and 1,612,601.92 is: 2,225,444.59
Step by Step Solution
- Step 1: Write the proportion equation
2,631,394 : 3,631,411.74 = 1,612,601.92 : x - Step 2: Convert to fraction form
2,631,394/3,631,411.74 = 1,612,601.92/x - Step 3: Cross multiply
2,631,394x = 3,631,411.74 × 1,612,601.92 - Step 4: Simplify right side
2,631,394x = 5,856,021,544,234.54 - Step 5: Solve for x
x = 5,856,021,544,234.54/2,631,394 - Step 6: Final answer
x = 2,225,444.59
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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.