Finding the Fourth Proportional to 4,272,529.80, 6,408,794.70 and 3,948,126.60
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Solution
The fourth proportional to 4,272,529.80, 6,408,794.70 and 3,948,126.60 is: 5,922,189.90
Step by Step Solution
- Step 1: Write the proportion equation
4,272,529.80 : 6,408,794.70 = 3,948,126.60 : x - Step 2: Convert to fraction form
4,272,529.80/6,408,794.70 = 3,948,126.60/x - Step 3: Cross multiply
4,272,529.80x = 6,408,794.70 × 3,948,126.60 - Step 4: Simplify right side
4,272,529.80x = 25,302,732,829,009.02 - Step 5: Solve for x
x = 25,302,732,829,009.02/4,272,529.80 - Step 6: Final answer
x = 5,922,189.90
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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.