Finding the Fourth Proportional to 4,226,076.80, 6,330,614.16 and 3,203,156.68
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Solution
The fourth proportional to 4,226,076.80, 6,330,614.16 and 3,203,156.68 is: 4,798,291.65
Step by Step Solution
- Step 1: Write the proportion equation
4,226,076.80 : 6,330,614.16 = 3,203,156.68 : x - Step 2: Convert to fraction form
4,226,076.80/6,330,614.16 = 3,203,156.68/x - Step 3: Cross multiply
4,226,076.80x = 6,330,614.16 × 3,203,156.68 - Step 4: Simplify right side
4,226,076.80x = 20,277,949,035,106.59 - Step 5: Solve for x
x = 20,277,949,035,106.59/4,226,076.80 - Step 6: Final answer
x = 4,798,291.65
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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.