Finding the Fourth Proportional to 2,044,889.46, 2,821,958.65 and 1,185,958.98
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Solution
The fourth proportional to 2,044,889.46, 2,821,958.65 and 1,185,958.98 is: 1,636,629.89
Step by Step Solution
- Step 1: Write the proportion equation
2,044,889.46 : 2,821,958.65 = 1,185,958.98 : x - Step 2: Convert to fraction form
2,044,889.46/2,821,958.65 = 1,185,958.98/x - Step 3: Cross multiply
2,044,889.46x = 2,821,958.65 × 1,185,958.98 - Step 4: Simplify right side
2,044,889.46x = 3,346,727,202,156.18 - Step 5: Solve for x
x = 3,346,727,202,156.18/2,044,889.46 - Step 6: Final answer
x = 1,636,629.89
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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.