Finding the Fourth Proportional to 3,293,991.81, 4,545,707.68 and 1,843,686.88
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Solution
The fourth proportional to 3,293,991.81, 4,545,707.68 and 1,843,686.88 is: 2,544,287.32
Step by Step Solution
- Step 1: Write the proportion equation
3,293,991.81 : 4,545,707.68 = 1,843,686.88 : x - Step 2: Convert to fraction form
3,293,991.81/4,545,707.68 = 1,843,686.88/x - Step 3: Cross multiply
3,293,991.81x = 4,545,707.68 × 1,843,686.88 - Step 4: Simplify right side
3,293,991.81x = 8,380,861,609,931.24 - Step 5: Solve for x
x = 8,380,861,609,931.24/3,293,991.81 - Step 6: Final answer
x = 2,544,287.32
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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.