Finding the Fourth Proportional to 2,555,932.10, 3,527,181.50 and 1,394,378.42
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Solution
The fourth proportional to 2,555,932.10, 3,527,181.50 and 1,394,378.42 is: 1,924,239.60
Step by Step Solution
- Step 1: Write the proportion equation
2,555,932.10 : 3,527,181.50 = 1,394,378.42 : x - Step 2: Convert to fraction form
2,555,932.10/3,527,181.50 = 1,394,378.42/x - Step 3: Cross multiply
2,555,932.10x = 3,527,181.50 × 1,394,378.42 - Step 4: Simplify right side
2,555,932.10x = 4,918,225,742,415.43 - Step 5: Solve for x
x = 4,918,225,742,415.43/2,555,932.10 - Step 6: Final answer
x = 1,924,239.60
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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.