Finding the Fourth Proportional to 2,343,840.63, 3,533,328.51 and 2,187,600.09
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Solution
The fourth proportional to 2,343,840.63, 3,533,328.51 and 2,187,600.09 is: 3,297,796.65
Step by Step Solution
- Step 1: Write the proportion equation
2,343,840.63 : 3,533,328.51 = 2,187,600.09 : x - Step 2: Convert to fraction form
2,343,840.63/3,533,328.51 = 2,187,600.09/x - Step 3: Cross multiply
2,343,840.63x = 3,533,328.51 × 2,187,600.09 - Step 4: Simplify right side
2,343,840.63x = 7,729,509,766,475.57 - Step 5: Solve for x
x = 7,729,509,766,475.57/2,343,840.63 - Step 6: Final answer
x = 3,297,796.65
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.