Finding the Fourth Proportional to 1,518,807.37, 2,278,213.28 and 620,249.12
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Solution
The fourth proportional to 1,518,807.37, 2,278,213.28 and 620,249.12 is: 930,374.59
Step by Step Solution
- Step 1: Write the proportion equation
1,518,807.37 : 2,278,213.28 = 620,249.12 : x - Step 2: Convert to fraction form
1,518,807.37/2,278,213.28 = 620,249.12/x - Step 3: Cross multiply
1,518,807.37x = 2,278,213.28 × 620,249.12 - Step 4: Simplify right side
1,518,807.37x = 1,413,059,782,092.31 - Step 5: Solve for x
x = 1,413,059,782,092.31/1,518,807.37 - Step 6: Final answer
x = 930,374.59
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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.