Finding the Fourth Proportional to 2,390,986.19, 3,586,694.65 and 771,793.40
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Solution
The fourth proportional to 2,390,986.19, 3,586,694.65 and 771,793.40 is: 1,157,759.62
Step by Step Solution
- Step 1: Write the proportion equation
2,390,986.19 : 3,586,694.65 = 771,793.40 : x - Step 2: Convert to fraction form
2,390,986.19/3,586,694.65 = 771,793.40/x - Step 3: Cross multiply
2,390,986.19x = 3,586,694.65 × 771,793.40 - Step 4: Simplify right side
2,390,986.19x = 2,768,187,265,722.56 - Step 5: Solve for x
x = 2,768,187,265,722.56/2,390,986.19 - Step 6: Final answer
x = 1,157,759.62
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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.