Finding the Fourth Proportional to 1,419,250.60, 2,128,219.80 and 620,120.80
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Solution
The fourth proportional to 1,419,250.60, 2,128,219.80 and 620,120.80 is: 929,894.53
Step by Step Solution
- Step 1: Write the proportion equation
1,419,250.60 : 2,128,219.80 = 620,120.80 : x - Step 2: Convert to fraction form
1,419,250.60/2,128,219.80 = 620,120.80/x - Step 3: Cross multiply
1,419,250.60x = 2,128,219.80 × 620,120.80 - Step 4: Simplify right side
1,419,250.60x = 1,319,753,364,951.84 - Step 5: Solve for x
x = 1,319,753,364,951.84/1,419,250.60 - Step 6: Final answer
x = 929,894.53
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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.