Finding the Fourth Proportional to 3,769,976.64, 5,202,510.56 and 2,051,057.92
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Solution
The fourth proportional to 3,769,976.64, 5,202,510.56 and 2,051,057.92 is: 2,830,428.81
Step by Step Solution
- Step 1: Write the proportion equation
3,769,976.64 : 5,202,510.56 = 2,051,057.92 : x - Step 2: Convert to fraction form
3,769,976.64/5,202,510.56 = 2,051,057.92/x - Step 3: Cross multiply
3,769,976.64x = 5,202,510.56 × 2,051,057.92 - Step 4: Simplify right side
3,769,976.64x = 10,670,650,487,971.63 - Step 5: Solve for x
x = 10,670,650,487,971.63/3,769,976.64 - Step 6: Final answer
x = 2,830,428.81
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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.