Finding the Fourth Proportional to 1,711,793.80, 2,567,690.70 and 1,214,129.80
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Solution
The fourth proportional to 1,711,793.80, 2,567,690.70 and 1,214,129.80 is: 1,821,194.70
Step by Step Solution
- Step 1: Write the proportion equation
1,711,793.80 : 2,567,690.70 = 1,214,129.80 : x - Step 2: Convert to fraction form
1,711,793.80/2,567,690.70 = 1,214,129.80/x - Step 3: Cross multiply
1,711,793.80x = 2,567,690.70 × 1,214,129.80 - Step 4: Simplify right side
1,711,793.80x = 3,117,509,796,052.86 - Step 5: Solve for x
x = 3,117,509,796,052.86/1,711,793.80 - Step 6: Final answer
x = 1,821,194.70
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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.