Finding the Fourth Proportional to 4,289,621.44, 6,434,428.40 and 1,094,747.36
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Solution
The fourth proportional to 4,289,621.44, 6,434,428.40 and 1,094,747.36 is: 1,642,120.08
Step by Step Solution
- Step 1: Write the proportion equation
4,289,621.44 : 6,434,428.40 = 1,094,747.36 : x - Step 2: Convert to fraction form
4,289,621.44/6,434,428.40 = 1,094,747.36/x - Step 3: Cross multiply
4,289,621.44x = 6,434,428.40 × 1,094,747.36 - Step 4: Simplify right side
4,289,621.44x = 7,044,073,504,009.03 - Step 5: Solve for x
x = 7,044,073,504,009.03/4,289,621.44 - Step 6: Final answer
x = 1,642,120.08
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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.