Finding the Fourth Proportional to 2,214,368.90, 3,321,380.55 and 866,269.70
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Solution
The fourth proportional to 2,214,368.90, 3,321,380.55 and 866,269.70 is: 1,299,336.95
Step by Step Solution
- Step 1: Write the proportion equation
2,214,368.90 : 3,321,380.55 = 866,269.70 : x - Step 2: Convert to fraction form
2,214,368.90/3,321,380.55 = 866,269.70/x - Step 3: Cross multiply
2,214,368.90x = 3,321,380.55 × 866,269.70 - Step 4: Simplify right side
2,214,368.90x = 2,877,211,332,634.33 - Step 5: Solve for x
x = 2,877,211,332,634.33/2,214,368.90 - Step 6: Final answer
x = 1,299,336.95
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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.