Finding the Fourth Proportional to 2,785,324.26, 4,177,986.42 and 1,838,473.52
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Solution
The fourth proportional to 2,785,324.26, 4,177,986.42 and 1,838,473.52 is: 2,757,710.30
Step by Step Solution
- Step 1: Write the proportion equation
2,785,324.26 : 4,177,986.42 = 1,838,473.52 : x - Step 2: Convert to fraction form
2,785,324.26/4,177,986.42 = 1,838,473.52/x - Step 3: Cross multiply
2,785,324.26x = 4,177,986.42 × 1,838,473.52 - Step 4: Simplify right side
2,785,324.26x = 7,681,117,400,089.60 - Step 5: Solve for x
x = 7,681,117,400,089.60/2,785,324.26 - Step 6: Final answer
x = 2,757,710.30
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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.