Finding the Fourth Proportional to 2,073,078.79, 2,860,946.13 and 1,213,915.84
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Solution
The fourth proportional to 2,073,078.79, 2,860,946.13 and 1,213,915.84 is: 1,675,260.89
Step by Step Solution
- Step 1: Write the proportion equation
2,073,078.79 : 2,860,946.13 = 1,213,915.84 : x - Step 2: Convert to fraction form
2,073,078.79/2,860,946.13 = 1,213,915.84/x - Step 3: Cross multiply
2,073,078.79x = 2,860,946.13 × 1,213,915.84 - Step 4: Simplify right side
2,073,078.79x = 3,472,947,824,593.70 - Step 5: Solve for x
x = 3,472,947,824,593.70/2,073,078.79 - Step 6: Final answer
x = 1,675,260.89
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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.