Finding the Fourth Proportional to 2,566,900.25, 3,542,364.11 and 1,405,326.90
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Solution
The fourth proportional to 2,566,900.25, 3,542,364.11 and 1,405,326.90 is: 1,939,373.99
Step by Step Solution
- Step 1: Write the proportion equation
2,566,900.25 : 3,542,364.11 = 1,405,326.90 : x - Step 2: Convert to fraction form
2,566,900.25/3,542,364.11 = 1,405,326.90/x - Step 3: Cross multiply
2,566,900.25x = 3,542,364.11 × 1,405,326.90 - Step 4: Simplify right side
2,566,900.25x = 4,978,179,576,890.88 - Step 5: Solve for x
x = 4,978,179,576,890.88/2,566,900.25 - Step 6: Final answer
x = 1,939,373.99
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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.