Finding the Fourth Proportional to 2,190,661.92, 3,277,999.62 and 1,292,533.92
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Solution
The fourth proportional to 2,190,661.92, 3,277,999.62 and 1,292,533.92 is: 1,934,084.70
Step by Step Solution
- Step 1: Write the proportion equation
2,190,661.92 : 3,277,999.62 = 1,292,533.92 : x - Step 2: Convert to fraction form
2,190,661.92/3,277,999.62 = 1,292,533.92/x - Step 3: Cross multiply
2,190,661.92x = 3,277,999.62 × 1,292,533.92 - Step 4: Simplify right side
2,190,661.92x = 4,236,925,698,597.11 - Step 5: Solve for x
x = 4,236,925,698,597.11/2,190,661.92 - Step 6: Final answer
x = 1,934,084.70
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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.