Finding the Fourth Proportional to 5,488,216.88, 7,569,474.50 and 3,747,286.58
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Solution
The fourth proportional to 5,488,216.88, 7,569,474.50 and 3,747,286.58 is: 5,168,343.53
Step by Step Solution
- Step 1: Write the proportion equation
5,488,216.88 : 7,569,474.50 = 3,747,286.58 : x - Step 2: Convert to fraction form
5,488,216.88/7,569,474.50 = 3,747,286.58/x - Step 3: Cross multiply
5,488,216.88x = 7,569,474.50 × 3,747,286.58 - Step 4: Simplify right side
5,488,216.88x = 28,364,990,183,023.06 - Step 5: Solve for x
x = 28,364,990,183,023.06/5,488,216.88 - Step 6: Final answer
x = 5,168,343.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.