Finding the Fourth Proportional to 2,560,967.38, 3,838,398.99 and 1,192,905.46
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Solution
The fourth proportional to 2,560,967.38, 3,838,398.99 and 1,192,905.46 is: 1,787,936.52
Step by Step Solution
- Step 1: Write the proportion equation
2,560,967.38 : 3,838,398.99 = 1,192,905.46 : x - Step 2: Convert to fraction form
2,560,967.38/3,838,398.99 = 1,192,905.46/x - Step 3: Cross multiply
2,560,967.38x = 3,838,398.99 × 1,192,905.46 - Step 4: Simplify right side
2,560,967.38x = 4,578,847,112,829.49 - Step 5: Solve for x
x = 4,578,847,112,829.49/2,560,967.38 - Step 6: Final answer
x = 1,787,936.52
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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.