Finding the Fourth Proportional to 5,408,970.32, 8,115,153.24 and 3,252,478.16
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Solution
The fourth proportional to 5,408,970.32, 8,115,153.24 and 3,252,478.16 is: 4,879,738.12
Step by Step Solution
- Step 1: Write the proportion equation
5,408,970.32 : 8,115,153.24 = 3,252,478.16 : x - Step 2: Convert to fraction form
5,408,970.32/8,115,153.24 = 3,252,478.16/x - Step 3: Cross multiply
5,408,970.32x = 8,115,153.24 × 3,252,478.16 - Step 4: Simplify right side
5,408,970.32x = 26,394,358,678,153.24 - Step 5: Solve for x
x = 26,394,358,678,153.24/5,408,970.32 - Step 6: Final answer
x = 4,879,738.12
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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.