Finding the Fourth Proportional to 5,585,077.18, 7,708,183.49 and 3,137,877.46
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Solution
The fourth proportional to 5,585,077.18, 7,708,183.49 and 3,137,877.46 is: 4,330,707.42
Step by Step Solution
- Step 1: Write the proportion equation
5,585,077.18 : 7,708,183.49 = 3,137,877.46 : x - Step 2: Convert to fraction form
5,585,077.18/7,708,183.49 = 3,137,877.46/x - Step 3: Cross multiply
5,585,077.18x = 7,708,183.49 × 3,137,877.46 - Step 4: Simplify right side
5,585,077.18x = 24,187,335,176,584.83 - Step 5: Solve for x
x = 24,187,335,176,584.83/5,585,077.18 - Step 6: Final answer
x = 4,330,707.42
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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.