Finding the Fourth Proportional to 2,207,154.71, 3,311,572.68 and 767,997.99
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Solution
The fourth proportional to 2,207,154.71, 3,311,572.68 and 767,997.99 is: 1,152,289.49
Step by Step Solution
- Step 1: Write the proportion equation
2,207,154.71 : 3,311,572.68 = 767,997.99 : x - Step 2: Convert to fraction form
2,207,154.71/3,311,572.68 = 767,997.99/x - Step 3: Cross multiply
2,207,154.71x = 3,311,572.68 × 767,997.99 - Step 4: Simplify right side
2,207,154.71x = 2,543,281,161,978.91 - Step 5: Solve for x
x = 2,543,281,161,978.91/2,207,154.71 - Step 6: Final answer
x = 1,152,289.49
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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.