Finding the Fourth Proportional to 4,903,566.65, 6,766,901.57 and 2,728,318.13
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Solution
The fourth proportional to 4,903,566.65, 6,766,901.57 and 2,728,318.13 is: 3,765,067.66
Step by Step Solution
- Step 1: Write the proportion equation
4,903,566.65 : 6,766,901.57 = 2,728,318.13 : x - Step 2: Convert to fraction form
4,903,566.65/6,766,901.57 = 2,728,318.13/x - Step 3: Cross multiply
4,903,566.65x = 6,766,901.57 × 2,728,318.13 - Step 4: Simplify right side
4,903,566.65x = 18,462,260,223,714.88 - Step 5: Solve for x
x = 18,462,260,223,714.88/4,903,566.65 - Step 6: Final answer
x = 3,765,067.66
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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.