Finding the Fourth Proportional to 2,112,219.48, 3,167,063.96 and 672,280.91
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Solution
The fourth proportional to 2,112,219.48, 3,167,063.96 and 672,280.91 is: 1,008,018.66
Step by Step Solution
- Step 1: Write the proportion equation
2,112,219.48 : 3,167,063.96 = 672,280.91 : x - Step 2: Convert to fraction form
2,112,219.48/3,167,063.96 = 672,280.91/x - Step 3: Cross multiply
2,112,219.48x = 3,167,063.96 × 672,280.91 - Step 4: Simplify right side
2,112,219.48x = 2,129,156,651,551.50 - Step 5: Solve for x
x = 2,129,156,651,551.50/2,112,219.48 - Step 6: Final answer
x = 1,008,018.66
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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.