Finding the Fourth Proportional to 4,939,910.70, 7,408,829.24 and 1,393,225.26
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Solution
The fourth proportional to 4,939,910.70, 7,408,829.24 and 1,393,225.26 is: 2,089,545.47
Step by Step Solution
- Step 1: Write the proportion equation
4,939,910.70 : 7,408,829.24 = 1,393,225.26 : x - Step 2: Convert to fraction form
4,939,910.70/7,408,829.24 = 1,393,225.26/x - Step 3: Cross multiply
4,939,910.70x = 7,408,829.24 × 1,393,225.26 - Step 4: Simplify right side
4,939,910.70x = 10,322,168,044,194.60 - Step 5: Solve for x
x = 10,322,168,044,194.60/4,939,910.70 - Step 6: Final answer
x = 2,089,545.47
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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.