Finding the Fourth Proportional to 6,865,783.20, 9,475,224.58 and 3,809,997.44
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Solution
The fourth proportional to 6,865,783.20, 9,475,224.58 and 3,809,997.44 is: 5,258,042.72
Step by Step Solution
- Step 1: Write the proportion equation
6,865,783.20 : 9,475,224.58 = 3,809,997.44 : x - Step 2: Convert to fraction form
6,865,783.20/9,475,224.58 = 3,809,997.44/x - Step 3: Cross multiply
6,865,783.20x = 9,475,224.58 × 3,809,997.44 - Step 4: Simplify right side
6,865,783.20x = 36,100,581,393,225.08 - Step 5: Solve for x
x = 36,100,581,393,225.08/6,865,783.20 - Step 6: Final answer
x = 5,258,042.72
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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.