Finding the Fourth Proportional to 2,512,915.82, 3,459,069.05 and 2,190,070.88
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Solution
The fourth proportional to 2,512,915.82, 3,459,069.05 and 2,190,070.88 is: 3,014,667.79
Step by Step Solution
- Step 1: Write the proportion equation
2,512,915.82 : 3,459,069.05 = 2,190,070.88 : x - Step 2: Convert to fraction form
2,512,915.82/3,459,069.05 = 2,190,070.88/x - Step 3: Cross multiply
2,512,915.82x = 3,459,069.05 × 2,190,070.88 - Step 4: Simplify right side
2,512,915.82x = 7,575,606,370,068.57 - Step 5: Solve for x
x = 7,575,606,370,068.57/2,512,915.82 - Step 6: Final answer
x = 3,014,667.79
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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.