Finding the Fourth Proportional to 1,461,648.63, 2,192,448.79 and 436,981.28
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Solution
The fourth proportional to 1,461,648.63, 2,192,448.79 and 436,981.28 is: 655,464.70
Step by Step Solution
- Step 1: Write the proportion equation
1,461,648.63 : 2,192,448.79 = 436,981.28 : x - Step 2: Convert to fraction form
1,461,648.63/2,192,448.79 = 436,981.28/x - Step 3: Cross multiply
1,461,648.63x = 2,192,448.79 × 436,981.28 - Step 4: Simplify right side
1,461,648.63x = 958,059,078,047.14 - Step 5: Solve for x
x = 958,059,078,047.14/1,461,648.63 - Step 6: Final answer
x = 655,464.70
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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.