Finding the Fourth Proportional to 3,571,180.22, 4,927,461.98 and 2,121,364.46
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Solution
The fourth proportional to 3,571,180.22, 4,927,461.98 and 2,121,364.46 is: 2,927,027.50
Step by Step Solution
- Step 1: Write the proportion equation
3,571,180.22 : 4,927,461.98 = 2,121,364.46 : x - Step 2: Convert to fraction form
3,571,180.22/4,927,461.98 = 2,121,364.46/x - Step 3: Cross multiply
3,571,180.22x = 4,927,461.98 × 2,121,364.46 - Step 4: Simplify right side
3,571,180.22x = 10,452,942,722,373.23 - Step 5: Solve for x
x = 10,452,942,722,373.23/3,571,180.22 - Step 6: Final answer
x = 2,927,027.50
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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.