Finding the Fourth Proportional to 2,146,245.60, 3,219,368.40 and 548,933.70
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Solution
The fourth proportional to 2,146,245.60, 3,219,368.40 and 548,933.70 is: 823,400.55
Step by Step Solution
- Step 1: Write the proportion equation
2,146,245.60 : 3,219,368.40 = 548,933.70 : x - Step 2: Convert to fraction form
2,146,245.60/3,219,368.40 = 548,933.70/x - Step 3: Cross multiply
2,146,245.60x = 3,219,368.40 × 548,933.70 - Step 4: Simplify right side
2,146,245.60x = 1,767,219,807,475.08 - Step 5: Solve for x
x = 1,767,219,807,475.08/2,146,245.60 - Step 6: Final answer
x = 823,400.55
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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.