Finding the Fourth Proportional to 2,187,622.60, 3,281,433.90 and 2,063,619.70
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Solution
The fourth proportional to 2,187,622.60, 3,281,433.90 and 2,063,619.70 is: 3,095,429.55
Step by Step Solution
- Step 1: Write the proportion equation
2,187,622.60 : 3,281,433.90 = 2,063,619.70 : x - Step 2: Convert to fraction form
2,187,622.60/3,281,433.90 = 2,063,619.70/x - Step 3: Cross multiply
2,187,622.60x = 3,281,433.90 × 2,063,619.70 - Step 4: Simplify right side
2,187,622.60x = 6,771,631,640,287.83 - Step 5: Solve for x
x = 6,771,631,640,287.83/2,187,622.60 - Step 6: Final answer
x = 3,095,429.55
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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.