Finding the Fourth Proportional to 1,539,406.75, 2,124,289.79 and 851,037.37
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Solution
The fourth proportional to 1,539,406.75, 2,124,289.79 and 851,037.37 is: 1,174,380.98
Step by Step Solution
- Step 1: Write the proportion equation
1,539,406.75 : 2,124,289.79 = 851,037.37 : x - Step 2: Convert to fraction form
1,539,406.75/2,124,289.79 = 851,037.37/x - Step 3: Cross multiply
1,539,406.75x = 2,124,289.79 × 851,037.37 - Step 4: Simplify right side
1,539,406.75x = 1,807,849,997,390.05 - Step 5: Solve for x
x = 1,807,849,997,390.05/1,539,406.75 - Step 6: Final answer
x = 1,174,380.98
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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.