Finding the Fourth Proportional to 3,971,424.43, 5,956,374.75 and 1,542,574.99
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Solution
The fourth proportional to 3,971,424.43, 5,956,374.75 and 1,542,574.99 is: 2,313,566.55
Step by Step Solution
- Step 1: Write the proportion equation
3,971,424.43 : 5,956,374.75 = 1,542,574.99 : x - Step 2: Convert to fraction form
3,971,424.43/5,956,374.75 = 1,542,574.99/x - Step 3: Cross multiply
3,971,424.43x = 5,956,374.75 × 1,542,574.99 - Step 4: Simplify right side
3,971,424.43x = 9,188,154,720,417.50 - Step 5: Solve for x
x = 9,188,154,720,417.50/3,971,424.43 - Step 6: Final answer
x = 2,313,566.55
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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.