Finding the Fourth Proportional to 2,567,121.60, 3,542,493.08 and 1,405,345.13
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Solution
The fourth proportional to 2,567,121.60, 3,542,493.08 and 1,405,345.13 is: 1,939,302.52
Step by Step Solution
- Step 1: Write the proportion equation
2,567,121.60 : 3,542,493.08 = 1,405,345.13 : x - Step 2: Convert to fraction form
2,567,121.60/3,542,493.08 = 1,405,345.13/x - Step 3: Cross multiply
2,567,121.60x = 3,542,493.08 × 1,405,345.13 - Step 4: Simplify right side
2,567,121.60x = 4,978,425,398,036.70 - Step 5: Solve for x
x = 4,978,425,398,036.70/2,567,121.60 - Step 6: Final answer
x = 1,939,302.52
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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.