Finding the Fourth Proportional to 4,118,679.54, 5,683,491.05 and 2,283,120.18
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Solution
The fourth proportional to 4,118,679.54, 5,683,491.05 and 2,283,120.18 is: 3,150,546.91
Step by Step Solution
- Step 1: Write the proportion equation
4,118,679.54 : 5,683,491.05 = 2,283,120.18 : x - Step 2: Convert to fraction form
4,118,679.54/5,683,491.05 = 2,283,120.18/x - Step 3: Cross multiply
4,118,679.54x = 5,683,491.05 × 2,283,120.18 - Step 4: Simplify right side
4,118,679.54x = 12,976,093,109,104.39 - Step 5: Solve for x
x = 12,976,093,109,104.39/4,118,679.54 - Step 6: Final answer
x = 3,150,546.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.