Finding the Fourth Proportional to 2,439,515.70, 3,658,996.62 and 642,539.79
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Solution
The fourth proportional to 2,439,515.70, 3,658,996.62 and 642,539.79 is: 963,736.74
Step by Step Solution
- Step 1: Write the proportion equation
2,439,515.70 : 3,658,996.62 = 642,539.79 : x - Step 2: Convert to fraction form
2,439,515.70/3,658,996.62 = 642,539.79/x - Step 3: Cross multiply
2,439,515.70x = 3,658,996.62 × 642,539.79 - Step 4: Simplify right side
2,439,515.70x = 2,351,050,919,825.51 - Step 5: Solve for x
x = 2,351,050,919,825.51/2,439,515.70 - Step 6: Final answer
x = 963,736.74
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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.