Finding the Fourth Proportional to 2,220,956.20, 3,064,915.74 and 1,202,360.68
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Solution
The fourth proportional to 2,220,956.20, 3,064,915.74 and 1,202,360.68 is: 1,659,255.67
Step by Step Solution
- Step 1: Write the proportion equation
2,220,956.20 : 3,064,915.74 = 1,202,360.68 : x - Step 2: Convert to fraction form
2,220,956.20/3,064,915.74 = 1,202,360.68/x - Step 3: Cross multiply
2,220,956.20x = 3,064,915.74 × 1,202,360.68 - Step 4: Simplify right side
2,220,956.20x = 3,685,134,173,289.10 - Step 5: Solve for x
x = 3,685,134,173,289.10/2,220,956.20 - Step 6: Final answer
x = 1,659,255.67
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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.