Finding the Fourth Proportional to 4,317,492.20, 6,470,708.70 and 3,315,252.20
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Solution
The fourth proportional to 4,317,492.20, 6,470,708.70 and 3,315,252.20 is: 4,968,632.31
Step by Step Solution
- Step 1: Write the proportion equation
4,317,492.20 : 6,470,708.70 = 3,315,252.20 : x - Step 2: Convert to fraction form
4,317,492.20/6,470,708.70 = 3,315,252.20/x - Step 3: Cross multiply
4,317,492.20x = 6,470,708.70 × 3,315,252.20 - Step 4: Simplify right side
4,317,492.20x = 21,452,031,253,234.14 - Step 5: Solve for x
x = 21,452,031,253,234.14/4,317,492.20 - Step 6: Final answer
x = 4,968,632.31
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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.