Finding the Fourth Proportional to 1,468,287.55, 2,202,177.34 and 388,815.63
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Solution
The fourth proportional to 1,468,287.55, 2,202,177.34 and 388,815.63 is: 583,156.19
Step by Step Solution
- Step 1: Write the proportion equation
1,468,287.55 : 2,202,177.34 = 388,815.63 : x - Step 2: Convert to fraction form
1,468,287.55/2,202,177.34 = 388,815.63/x - Step 3: Cross multiply
1,468,287.55x = 2,202,177.34 × 388,815.63 - Step 4: Simplify right side
1,468,287.55x = 856,240,969,823.82 - Step 5: Solve for x
x = 856,240,969,823.82/1,468,287.55 - Step 6: Final answer
x = 583,156.19
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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.