Finding the Fourth Proportional to 4,480,510.75, 6,183,571.44 and 2,761,587.07
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Solution
The fourth proportional to 4,480,510.75, 6,183,571.44 and 2,761,587.07 is: 3,811,277.75
Step by Step Solution
- Step 1: Write the proportion equation
4,480,510.75 : 6,183,571.44 = 2,761,587.07 : x - Step 2: Convert to fraction form
4,480,510.75/6,183,571.44 = 2,761,587.07/x - Step 3: Cross multiply
4,480,510.75x = 6,183,571.44 × 2,761,587.07 - Step 4: Simplify right side
4,480,510.75x = 17,076,470,935,125.28 - Step 5: Solve for x
x = 17,076,470,935,125.28/4,480,510.75 - Step 6: Final answer
x = 3,811,277.75
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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.