Finding the Fourth Proportional to 5,526,408.20, 8,289,612.30 and 3,134,923.70
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Solution
The fourth proportional to 5,526,408.20, 8,289,612.30 and 3,134,923.70 is: 4,702,385.55
Step by Step Solution
- Step 1: Write the proportion equation
5,526,408.20 : 8,289,612.30 = 3,134,923.70 : x - Step 2: Convert to fraction form
5,526,408.20/8,289,612.30 = 3,134,923.70/x - Step 3: Cross multiply
5,526,408.20x = 8,289,612.30 × 3,134,923.70 - Step 4: Simplify right side
5,526,408.20x = 25,987,302,063,081.51 - Step 5: Solve for x
x = 25,987,302,063,081.51/5,526,408.20 - Step 6: Final answer
x = 4,702,385.55
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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.