Finding the Fourth Proportional to 5,479,523.46, 8,219,341.53 and 2,447,043.66
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Solution
The fourth proportional to 5,479,523.46, 8,219,341.53 and 2,447,043.66 is: 3,670,590.65
Step by Step Solution
- Step 1: Write the proportion equation
5,479,523.46 : 8,219,341.53 = 2,447,043.66 : x - Step 2: Convert to fraction form
5,479,523.46/8,219,341.53 = 2,447,043.66/x - Step 3: Cross multiply
5,479,523.46x = 8,219,341.53 × 2,447,043.66 - Step 4: Simplify right side
5,479,523.46x = 20,113,087,580,361.20 - Step 5: Solve for x
x = 20,113,087,580,361.20/5,479,523.46 - Step 6: Final answer
x = 3,670,590.65
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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.