Finding the Fourth Proportional to 3,557,133.68, 5,332,431.04 and 1,282,101.28
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Solution
The fourth proportional to 3,557,133.68, 5,332,431.04 and 1,282,101.28 is: 1,921,973.50
Step by Step Solution
- Step 1: Write the proportion equation
3,557,133.68 : 5,332,431.04 = 1,282,101.28 : x - Step 2: Convert to fraction form
3,557,133.68/5,332,431.04 = 1,282,101.28/x - Step 3: Cross multiply
3,557,133.68x = 5,332,431.04 × 1,282,101.28 - Step 4: Simplify right side
3,557,133.68x = 6,836,716,661,895.73 - Step 5: Solve for x
x = 6,836,716,661,895.73/3,557,133.68 - Step 6: Final answer
x = 1,921,973.50
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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.