Finding the Fourth Proportional to 1,560,915.40, 2,343,122.70 and 1,207,496.20
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Solution
The fourth proportional to 1,560,915.40, 2,343,122.70 and 1,207,496.20 is: 1,812,597.76
Step by Step Solution
- Step 1: Write the proportion equation
1,560,915.40 : 2,343,122.70 = 1,207,496.20 : x - Step 2: Convert to fraction form
1,560,915.40/2,343,122.70 = 1,207,496.20/x - Step 3: Cross multiply
1,560,915.40x = 2,343,122.70 × 1,207,496.20 - Step 4: Simplify right side
1,560,915.40x = 2,829,311,756,383.74 - Step 5: Solve for x
x = 2,829,311,756,383.74/1,560,915.40 - Step 6: Final answer
x = 1,812,597.76
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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.