Finding the Fourth Proportional to 4,899,531.16, 6,761,731.67 and 2,939,482.99
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Solution
The fourth proportional to 4,899,531.16, 6,761,731.67 and 2,939,482.99 is: 4,056,713.70
Step by Step Solution
- Step 1: Write the proportion equation
4,899,531.16 : 6,761,731.67 = 2,939,482.99 : x - Step 2: Convert to fraction form
4,899,531.16/6,761,731.67 = 2,939,482.99/x - Step 3: Cross multiply
4,899,531.16x = 6,761,731.67 × 2,939,482.99 - Step 4: Simplify right side
4,899,531.16x = 19,875,995,212,669.73 - Step 5: Solve for x
x = 19,875,995,212,669.73/4,899,531.16 - Step 6: Final answer
x = 4,056,713.70
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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.