Finding the Fourth Proportional to 4,811,694.66, 6,640,138.44 and 2,636,320.32
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Solution
The fourth proportional to 4,811,694.66, 6,640,138.44 and 2,636,320.32 is: 3,638,121.94
Step by Step Solution
- Step 1: Write the proportion equation
4,811,694.66 : 6,640,138.44 = 2,636,320.32 : x - Step 2: Convert to fraction form
4,811,694.66/6,640,138.44 = 2,636,320.32/x - Step 3: Cross multiply
4,811,694.66x = 6,640,138.44 × 2,636,320.32 - Step 4: Simplify right side
4,811,694.66x = 17,505,531,896,985.10 - Step 5: Solve for x
x = 17,505,531,896,985.10/4,811,694.66 - Step 6: Final answer
x = 3,638,121.94
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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.