Finding the Fourth Proportional to 3,798,271.78, 5,240,777.08 and 2,248,764.06
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Solution
The fourth proportional to 3,798,271.78, 5,240,777.08 and 2,248,764.06 is: 3,102,798.28
Step by Step Solution
- Step 1: Write the proportion equation
3,798,271.78 : 5,240,777.08 = 2,248,764.06 : x - Step 2: Convert to fraction form
3,798,271.78/5,240,777.08 = 2,248,764.06/x - Step 3: Cross multiply
3,798,271.78x = 5,240,777.08 × 2,248,764.06 - Step 4: Simplify right side
3,798,271.78x = 11,785,271,143,975.75 - Step 5: Solve for x
x = 11,785,271,143,975.75/3,798,271.78 - Step 6: Final answer
x = 3,102,798.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.