Finding the Fourth Proportional to 2,212,822.80, 3,319,234.20 and 1,953,007.20
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Solution
The fourth proportional to 2,212,822.80, 3,319,234.20 and 1,953,007.20 is: 2,929,510.80
Step by Step Solution
- Step 1: Write the proportion equation
2,212,822.80 : 3,319,234.20 = 1,953,007.20 : x - Step 2: Convert to fraction form
2,212,822.80/3,319,234.20 = 1,953,007.20/x - Step 3: Cross multiply
2,212,822.80x = 3,319,234.20 × 1,953,007.20 - Step 4: Simplify right side
2,212,822.80x = 6,482,488,291,086.24 - Step 5: Solve for x
x = 6,482,488,291,086.24/2,212,822.80 - Step 6: Final answer
x = 2,929,510.80
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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.