Finding the Fourth Proportional to 3,379,474.92, 4,663,497.06 and 1,929,112.68
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Solution
The fourth proportional to 3,379,474.92, 4,663,497.06 and 1,929,112.68 is: 2,662,073.70
Step by Step Solution
- Step 1: Write the proportion equation
3,379,474.92 : 4,663,497.06 = 1,929,112.68 : x - Step 2: Convert to fraction form
3,379,474.92/4,663,497.06 = 1,929,112.68/x - Step 3: Cross multiply
3,379,474.92x = 4,663,497.06 × 1,929,112.68 - Step 4: Simplify right side
3,379,474.92x = 8,996,411,311,588.72 - Step 5: Solve for x
x = 8,996,411,311,588.72/3,379,474.92 - Step 6: Final answer
x = 2,662,073.70
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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.