Finding the Fourth Proportional to 3,158,941.20, 4,739,002.44 and 1,265,830.26
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Solution
The fourth proportional to 3,158,941.20, 4,739,002.44 and 1,265,830.26 is: 1,898,982.07
Step by Step Solution
- Step 1: Write the proportion equation
3,158,941.20 : 4,739,002.44 = 1,265,830.26 : x - Step 2: Convert to fraction form
3,158,941.20/4,739,002.44 = 1,265,830.26/x - Step 3: Cross multiply
3,158,941.20x = 4,739,002.44 × 1,265,830.26 - Step 4: Simplify right side
3,158,941.20x = 5,998,772,690,765.84 - Step 5: Solve for x
x = 5,998,772,690,765.84/3,158,941.20 - Step 6: Final answer
x = 1,898,982.07
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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.