Finding the Fourth Proportional to 2,293,837.60, 3,436,609.20 and 2,028,416.80
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Solution
The fourth proportional to 2,293,837.60, 3,436,609.20 and 2,028,416.80 is: 3,038,957.87
Step by Step Solution
- Step 1: Write the proportion equation
2,293,837.60 : 3,436,609.20 = 2,028,416.80 : x - Step 2: Convert to fraction form
2,293,837.60/3,436,609.20 = 2,028,416.80/x - Step 3: Cross multiply
2,293,837.60x = 3,436,609.20 × 2,028,416.80 - Step 4: Simplify right side
2,293,837.60x = 6,970,875,836,314.56 - Step 5: Solve for x
x = 6,970,875,836,314.56/2,293,837.60 - Step 6: Final answer
x = 3,038,957.87
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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.