Finding the Fourth Proportional to 2,762,159.70, 3,811,971.94 and 1,674,477.12
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Solution
The fourth proportional to 2,762,159.70, 3,811,971.94 and 1,674,477.12 is: 2,310,894.55
Step by Step Solution
- Step 1: Write the proportion equation
2,762,159.70 : 3,811,971.94 = 1,674,477.12 : x - Step 2: Convert to fraction form
2,762,159.70/3,811,971.94 = 1,674,477.12/x - Step 3: Cross multiply
2,762,159.70x = 3,811,971.94 × 1,674,477.12 - Step 4: Simplify right side
2,762,159.70x = 6,383,059,795,612.01 - Step 5: Solve for x
x = 6,383,059,795,612.01/2,762,159.70 - Step 6: Final answer
x = 2,310,894.55
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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.