Finding the Fourth Proportional to 3,840,285.92, 5,754,117.20 and 1,314,563.36
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Solution
The fourth proportional to 3,840,285.92, 5,754,117.20 and 1,314,563.36 is: 1,969,684.50
Step by Step Solution
- Step 1: Write the proportion equation
3,840,285.92 : 5,754,117.20 = 1,314,563.36 : x - Step 2: Convert to fraction form
3,840,285.92/5,754,117.20 = 1,314,563.36/x - Step 3: Cross multiply
3,840,285.92x = 5,754,117.20 × 1,314,563.36 - Step 4: Simplify right side
3,840,285.92x = 7,564,151,640,265.79 - Step 5: Solve for x
x = 7,564,151,640,265.79/3,840,285.92 - Step 6: Final answer
x = 1,969,684.50
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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.