Finding the Fourth Proportional to 2,611,869.60, 3,915,442.26 and 928,579.44
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Solution
The fourth proportional to 2,611,869.60, 3,915,442.26 and 928,579.44 is: 1,392,029.37
Step by Step Solution
- Step 1: Write the proportion equation
2,611,869.60 : 3,915,442.26 = 928,579.44 : x - Step 2: Convert to fraction form
2,611,869.60/3,915,442.26 = 928,579.44/x - Step 3: Cross multiply
2,611,869.60x = 3,915,442.26 × 928,579.44 - Step 4: Simplify right side
2,611,869.60x = 3,635,799,181,143.13 - Step 5: Solve for x
x = 3,635,799,181,143.13/2,611,869.60 - Step 6: Final answer
x = 1,392,029.37
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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.