Finding the Fourth Proportional to 2,390,442.40, 3,298,766.96 and 1,302,723.36
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Solution
The fourth proportional to 2,390,442.40, 3,298,766.96 and 1,302,723.36 is: 1,797,734.50
Step by Step Solution
- Step 1: Write the proportion equation
2,390,442.40 : 3,298,766.96 = 1,302,723.36 : x - Step 2: Convert to fraction form
2,390,442.40/3,298,766.96 = 1,302,723.36/x - Step 3: Cross multiply
2,390,442.40x = 3,298,766.96 × 1,302,723.36 - Step 4: Simplify right side
2,390,442.40x = 4,297,380,777,988.19 - Step 5: Solve for x
x = 4,297,380,777,988.19/2,390,442.40 - Step 6: Final answer
x = 1,797,734.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.