Finding the Fourth Proportional to 3,510,406.70, 4,842,918.66 and 2,133,528.56
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Solution
The fourth proportional to 3,510,406.70, 4,842,918.66 and 2,133,528.56 is: 2,943,392.65
Step by Step Solution
- Step 1: Write the proportion equation
3,510,406.70 : 4,842,918.66 = 2,133,528.56 : x - Step 2: Convert to fraction form
3,510,406.70/4,842,918.66 = 2,133,528.56/x - Step 3: Cross multiply
3,510,406.70x = 4,842,918.66 × 2,133,528.56 - Step 4: Simplify right side
3,510,406.70x = 10,332,505,274,866.93 - Step 5: Solve for x
x = 10,332,505,274,866.93/3,510,406.70 - Step 6: Final answer
x = 2,943,392.65
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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.