Finding the Fourth Proportional to 5,460,823.60, 8,197,456.20 and 3,218,225.20
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Solution
The fourth proportional to 5,460,823.60, 8,197,456.20 and 3,218,225.20 is: 4,831,003.90
Step by Step Solution
- Step 1: Write the proportion equation
5,460,823.60 : 8,197,456.20 = 3,218,225.20 : x - Step 2: Convert to fraction form
5,460,823.60/8,197,456.20 = 3,218,225.20/x - Step 3: Cross multiply
5,460,823.60x = 8,197,456.20 × 3,218,225.20 - Step 4: Simplify right side
5,460,823.60x = 26,381,260,118,736.24 - Step 5: Solve for x
x = 26,381,260,118,736.24/5,460,823.60 - Step 6: Final answer
x = 4,831,003.90
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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.