Finding the Fourth Proportional to 2,777,071.48, 4,164,790.74 and 1,179,621.88
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Solution
The fourth proportional to 2,777,071.48, 4,164,790.74 and 1,179,621.88 is: 1,769,086.00
Step by Step Solution
- Step 1: Write the proportion equation
2,777,071.48 : 4,164,790.74 = 1,179,621.88 : x - Step 2: Convert to fraction form
2,777,071.48/4,164,790.74 = 1,179,621.88/x - Step 3: Cross multiply
2,777,071.48x = 4,164,790.74 × 1,179,621.88 - Step 4: Simplify right side
2,777,071.48x = 4,912,878,282,525.39 - Step 5: Solve for x
x = 4,912,878,282,525.39/2,777,071.48 - Step 6: Final answer
x = 1,769,086.00
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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.