Finding the Fourth Proportional to 2,735,240.20, 4,103,618.70 and 1,138,555.40
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Solution
The fourth proportional to 2,735,240.20, 4,103,618.70 and 1,138,555.40 is: 1,708,148.79
Step by Step Solution
- Step 1: Write the proportion equation
2,735,240.20 : 4,103,618.70 = 1,138,555.40 : x - Step 2: Convert to fraction form
2,735,240.20/4,103,618.70 = 1,138,555.40/x - Step 3: Cross multiply
2,735,240.20x = 4,103,618.70 × 1,138,555.40 - Step 4: Simplify right side
2,735,240.20x = 4,672,197,230,425.98 - Step 5: Solve for x
x = 4,672,197,230,425.98/2,735,240.20 - Step 6: Final answer
x = 1,708,148.79
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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.