Finding the Fourth Proportional to 2,719,481.60, 4,080,777.60 and 1,878,636.80
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Solution
The fourth proportional to 2,719,481.60, 4,080,777.60 and 1,878,636.80 is: 2,819,029.54
Step by Step Solution
- Step 1: Write the proportion equation
2,719,481.60 : 4,080,777.60 = 1,878,636.80 : x - Step 2: Convert to fraction form
2,719,481.60/4,080,777.60 = 1,878,636.80/x - Step 3: Cross multiply
2,719,481.60x = 4,080,777.60 × 1,878,636.80 - Step 4: Simplify right side
2,719,481.60x = 7,666,298,971,975.68 - Step 5: Solve for x
x = 7,666,298,971,975.68/2,719,481.60 - Step 6: Final answer
x = 2,819,029.54
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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.