Finding the Fourth Proportional to 3,425,397.49, 4,727,052.21 and 1,855,532.98
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Solution
The fourth proportional to 3,425,397.49, 4,727,052.21 and 1,855,532.98 is: 2,560,637.51
Step by Step Solution
- Step 1: Write the proportion equation
3,425,397.49 : 4,727,052.21 = 1,855,532.98 : x - Step 2: Convert to fraction form
3,425,397.49/4,727,052.21 = 1,855,532.98/x - Step 3: Cross multiply
3,425,397.49x = 4,727,052.21 × 1,855,532.98 - Step 4: Simplify right side
3,425,397.49x = 8,771,201,286,703.95 - Step 5: Solve for x
x = 8,771,201,286,703.95/3,425,397.49 - Step 6: Final answer
x = 2,560,637.51
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1.5x scale
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.