Finding the Fourth Proportional to 6,431,929.57, 9,645,845.99 and 2,112,977.27
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Solution
The fourth proportional to 6,431,929.57, 9,645,845.99 and 2,112,977.27 is: 3,168,792.99
Step by Step Solution
- Step 1: Write the proportion equation
6,431,929.57 : 9,645,845.99 = 2,112,977.27 : x - Step 2: Convert to fraction form
6,431,929.57/9,645,845.99 = 2,112,977.27/x - Step 3: Cross multiply
6,431,929.57x = 9,645,845.99 × 2,112,977.27 - Step 4: Simplify right side
6,431,929.57x = 20,381,453,340,340.38 - Step 5: Solve for x
x = 20,381,453,340,340.38/6,431,929.57 - Step 6: Final answer
x = 3,168,792.99
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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.