Finding the Fourth Proportional to 4,218,317.31, 6,324,663.65 and 1,377,433.47
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Solution
The fourth proportional to 4,218,317.31, 6,324,663.65 and 1,377,433.47 is: 2,065,231.88
Step by Step Solution
- Step 1: Write the proportion equation
4,218,317.31 : 6,324,663.65 = 1,377,433.47 : x - Step 2: Convert to fraction form
4,218,317.31/6,324,663.65 = 1,377,433.47/x - Step 3: Cross multiply
4,218,317.31x = 6,324,663.65 × 1,377,433.47 - Step 4: Simplify right side
4,218,317.31x = 8,711,803,391,115.20 - Step 5: Solve for x
x = 8,711,803,391,115.20/4,218,317.31 - Step 6: Final answer
x = 2,065,231.88
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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.