Finding the Fourth Proportional to 4,145,520.81, 6,217,026.40 and 1,449,343.47
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Solution
The fourth proportional to 4,145,520.81, 6,217,026.40 and 1,449,343.47 is: 2,173,576.50
Step by Step Solution
- Step 1: Write the proportion equation
4,145,520.81 : 6,217,026.40 = 1,449,343.47 : x - Step 2: Convert to fraction form
4,145,520.81/6,217,026.40 = 1,449,343.47/x - Step 3: Cross multiply
4,145,520.81x = 6,217,026.40 × 1,449,343.47 - Step 4: Simplify right side
4,145,520.81x = 9,010,606,615,657.61 - Step 5: Solve for x
x = 9,010,606,615,657.61/4,145,520.81 - Step 6: Final answer
x = 2,173,576.50
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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.