Finding the Fourth Proportional to 2,133,901.82, 3,197,580.53 and 1,449,917.57
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Solution
The fourth proportional to 2,133,901.82, 3,197,580.53 and 1,449,917.57 is: 2,172,652.99
Step by Step Solution
- Step 1: Write the proportion equation
2,133,901.82 : 3,197,580.53 = 1,449,917.57 : x - Step 2: Convert to fraction form
2,133,901.82/3,197,580.53 = 1,449,917.57/x - Step 3: Cross multiply
2,133,901.82x = 3,197,580.53 × 1,449,917.57 - Step 4: Simplify right side
2,133,901.82x = 4,636,228,168,699.42 - Step 5: Solve for x
x = 4,636,228,168,699.42/2,133,901.82 - Step 6: Final answer
x = 2,172,652.99
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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.