Finding the Fourth Proportional to 4,638,201.18, 6,399,995.80 and 2,651,308.41
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Solution
The fourth proportional to 4,638,201.18, 6,399,995.80 and 2,651,308.41 is: 3,658,392.99
Step by Step Solution
- Step 1: Write the proportion equation
4,638,201.18 : 6,399,995.80 = 2,651,308.41 : x - Step 2: Convert to fraction form
4,638,201.18/6,399,995.80 = 2,651,308.41/x - Step 3: Cross multiply
4,638,201.18x = 6,399,995.80 × 2,651,308.41 - Step 4: Simplify right side
4,638,201.18x = 16,968,362,697,876.40 - Step 5: Solve for x
x = 16,968,362,697,876.40/4,638,201.18 - Step 6: Final answer
x = 3,658,392.99
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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.