Finding the Fourth Proportional to 1,372,107.49, 2,060,046.47 and 698,641.34
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Solution
The fourth proportional to 1,372,107.49, 2,060,046.47 and 698,641.34 is: 1,048,921.92
Step by Step Solution
- Step 1: Write the proportion equation
1,372,107.49 : 2,060,046.47 = 698,641.34 : x - Step 2: Convert to fraction form
1,372,107.49/2,060,046.47 = 698,641.34/x - Step 3: Cross multiply
1,372,107.49x = 2,060,046.47 × 698,641.34 - Step 4: Simplify right side
1,372,107.49x = 1,439,233,617,709.44 - Step 5: Solve for x
x = 1,439,233,617,709.44/1,372,107.49 - Step 6: Final answer
x = 1,048,921.92
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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.