Finding the Fourth Proportional to 4,453,851.70, 6,680,777.55 and 2,214,363.70
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Solution
The fourth proportional to 4,453,851.70, 6,680,777.55 and 2,214,363.70 is: 3,321,545.55
Step by Step Solution
- Step 1: Write the proportion equation
4,453,851.70 : 6,680,777.55 = 2,214,363.70 : x - Step 2: Convert to fraction form
4,453,851.70/6,680,777.55 = 2,214,363.70/x - Step 3: Cross multiply
4,453,851.70x = 6,680,777.55 × 2,214,363.70 - Step 4: Simplify right side
4,453,851.70x = 14,793,671,294,494.94 - Step 5: Solve for x
x = 14,793,671,294,494.94/4,453,851.70 - Step 6: Final answer
x = 3,321,545.55
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1.5x scale
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.