Finding the Fourth Proportional to 2,619,556.44, 3,929,335.56 and 1,178,556.92
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Solution
The fourth proportional to 2,619,556.44, 3,929,335.56 and 1,178,556.92 is: 1,767,835.78
Step by Step Solution
- Step 1: Write the proportion equation
2,619,556.44 : 3,929,335.56 = 1,178,556.92 : x - Step 2: Convert to fraction form
2,619,556.44/3,929,335.56 = 1,178,556.92/x - Step 3: Cross multiply
2,619,556.44x = 3,929,335.56 × 1,178,556.92 - Step 4: Simplify right side
2,619,556.44x = 4,630,945,615,240.08 - Step 5: Solve for x
x = 4,630,945,615,240.08/2,619,556.44 - Step 6: Final answer
x = 1,767,835.78
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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.