Finding the Fourth Proportional to 4,638,203.18, 6,399,998.56 and 2,651,310.41
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Solution
The fourth proportional to 4,638,203.18, 6,399,998.56 and 2,651,310.41 is: 3,658,395.75
Step by Step Solution
- Step 1: Write the proportion equation
4,638,203.18 : 6,399,998.56 = 2,651,310.41 : x - Step 2: Convert to fraction form
4,638,203.18/6,399,998.56 = 2,651,310.41/x - Step 3: Cross multiply
4,638,203.18x = 6,399,998.56 × 2,651,310.41 - Step 4: Simplify right side
4,638,203.18x = 16,968,382,806,113.01 - Step 5: Solve for x
x = 16,968,382,806,113.01/4,638,203.18 - Step 6: Final answer
x = 3,658,395.75
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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.