Finding the Fourth Proportional to 2,207,257.98, 3,311,727.57 and 768,101.28
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Solution
The fourth proportional to 2,207,257.98, 3,311,727.57 and 768,101.28 is: 1,152,444.44
Step by Step Solution
- Step 1: Write the proportion equation
2,207,257.98 : 3,311,727.57 = 768,101.28 : x - Step 2: Convert to fraction form
2,207,257.98/3,311,727.57 = 768,101.28/x - Step 3: Cross multiply
2,207,257.98x = 3,311,727.57 × 768,101.28 - Step 4: Simplify right side
2,207,257.98x = 2,543,742,185,528.29 - Step 5: Solve for x
x = 2,543,742,185,528.29/2,207,257.98 - Step 6: Final answer
x = 1,152,444.44
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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.