Finding the Fourth Proportional to 4,598,709.20, 6,346,361.96 and 2,638,946.13
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Solution
The fourth proportional to 4,598,709.20, 6,346,361.96 and 2,638,946.13 is: 3,641,827.87
Step by Step Solution
- Step 1: Write the proportion equation
4,598,709.20 : 6,346,361.96 = 2,638,946.13 : x - Step 2: Convert to fraction form
4,598,709.20/6,346,361.96 = 2,638,946.13/x - Step 3: Cross multiply
4,598,709.20x = 6,346,361.96 × 2,638,946.13 - Step 4: Simplify right side
4,598,709.20x = 16,747,707,333,921.21 - Step 5: Solve for x
x = 16,747,707,333,921.21/4,598,709.20 - Step 6: Final answer
x = 3,641,827.87
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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.