Finding the Fourth Proportional to 2,163,394.15, 3,245,622.59 and 743,470.63
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Solution
The fourth proportional to 2,163,394.15, 3,245,622.59 and 743,470.63 is: 1,115,388.55
Step by Step Solution
- Step 1: Write the proportion equation
2,163,394.15 : 3,245,622.59 = 743,470.63 : x - Step 2: Convert to fraction form
2,163,394.15/3,245,622.59 = 743,470.63/x - Step 3: Cross multiply
2,163,394.15x = 3,245,622.59 × 743,470.63 - Step 4: Simplify right side
2,163,394.15x = 2,413,025,071,729.53 - Step 5: Solve for x
x = 2,413,025,071,729.53/2,163,394.15 - Step 6: Final answer
x = 1,115,388.55
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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.