Finding the Fourth Proportional to 3,895,852.80, 5,376,173.64 and 2,176,987.44
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Solution
The fourth proportional to 3,895,852.80, 5,376,173.64 and 2,176,987.44 is: 3,004,184.99
Step by Step Solution
- Step 1: Write the proportion equation
3,895,852.80 : 5,376,173.64 = 2,176,987.44 : x - Step 2: Convert to fraction form
3,895,852.80/5,376,173.64 = 2,176,987.44/x - Step 3: Cross multiply
3,895,852.80x = 5,376,173.64 × 2,176,987.44 - Step 4: Simplify right side
3,895,852.80x = 11,703,862,489,539.08 - Step 5: Solve for x
x = 11,703,862,489,539.08/3,895,852.80 - Step 6: Final answer
x = 3,004,184.99
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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.