Finding the Fourth Proportional to 3,219,723.35, 4,831,799.34 and 1,326,464.79
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Solution
The fourth proportional to 3,219,723.35, 4,831,799.34 and 1,326,464.79 is: 1,990,609.44
Step by Step Solution
- Step 1: Write the proportion equation
3,219,723.35 : 4,831,799.34 = 1,326,464.79 : x - Step 2: Convert to fraction form
3,219,723.35/4,831,799.34 = 1,326,464.79/x - Step 3: Cross multiply
3,219,723.35x = 4,831,799.34 × 1,326,464.79 - Step 4: Simplify right side
3,219,723.35x = 6,409,211,696,855.24 - Step 5: Solve for x
x = 6,409,211,696,855.24/3,219,723.35 - Step 6: Final answer
x = 1,990,609.44
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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.