Finding the Fourth Proportional to 3,162,689.84, 4,364,493.50 and 1,712,354.84
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Solution
The fourth proportional to 3,162,689.84, 4,364,493.50 and 1,712,354.84 is: 2,363,039.67
Step by Step Solution
- Step 1: Write the proportion equation
3,162,689.84 : 4,364,493.50 = 1,712,354.84 : x - Step 2: Convert to fraction form
3,162,689.84/4,364,493.50 = 1,712,354.84/x - Step 3: Cross multiply
3,162,689.84x = 4,364,493.50 × 1,712,354.84 - Step 4: Simplify right side
3,162,689.84x = 7,473,561,568,873.54 - Step 5: Solve for x
x = 7,473,561,568,873.54/3,162,689.84 - Step 6: Final answer
x = 2,363,039.67
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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.