Finding the Fourth Proportional to 3,189,165.21, 4,401,552.86 and 1,900,752.94
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Solution
The fourth proportional to 3,189,165.21, 4,401,552.86 and 1,900,752.94 is: 2,623,339.95
Step by Step Solution
- Step 1: Write the proportion equation
3,189,165.21 : 4,401,552.86 = 1,900,752.94 : x - Step 2: Convert to fraction form
3,189,165.21/4,401,552.86 = 1,900,752.94/x - Step 3: Cross multiply
3,189,165.21x = 4,401,552.86 × 1,900,752.94 - Step 4: Simplify right side
3,189,165.21x = 8,366,264,517,577.67 - Step 5: Solve for x
x = 8,366,264,517,577.67/3,189,165.21 - Step 6: Final answer
x = 2,623,339.95
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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.