Finding the Fourth Proportional to 2,445,138.40, 3,664,208.40 and 1,800,410.80
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Solution
The fourth proportional to 2,445,138.40, 3,664,208.40 and 1,800,410.80 is: 2,698,039.66
Step by Step Solution
- Step 1: Write the proportion equation
2,445,138.40 : 3,664,208.40 = 1,800,410.80 : x - Step 2: Convert to fraction form
2,445,138.40/3,664,208.40 = 1,800,410.80/x - Step 3: Cross multiply
2,445,138.40x = 3,664,208.40 × 1,800,410.80 - Step 4: Simplify right side
2,445,138.40x = 6,597,080,376,810.72 - Step 5: Solve for x
x = 6,597,080,376,810.72/2,445,138.40 - Step 6: Final answer
x = 2,698,039.66
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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.