Finding the Fourth Proportional to 2,214,781.70, 3,102,793.90 and 2,214,781.70
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Solution
The fourth proportional to 2,214,781.70, 3,102,793.90 and 2,214,781.70 is: 3,102,793.90
Step by Step Solution
- Step 1: Write the proportion equation
2,214,781.70 : 3,102,793.90 = 2,214,781.70 : x - Step 2: Convert to fraction form
2,214,781.70/3,102,793.90 = 2,214,781.70/x - Step 3: Cross multiply
2,214,781.70x = 3,102,793.90 × 2,214,781.70 - Step 4: Simplify right side
2,214,781.70x = 6,872,011,148,591.63 - Step 5: Solve for x
x = 6,872,011,148,591.63/2,214,781.70 - Step 6: Final answer
x = 3,102,793.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.