Finding the Fourth Proportional to 3,979,379.37, 5,487,642.30 and 2,526,552.53
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Solution
The fourth proportional to 3,979,379.37, 5,487,642.30 and 2,526,552.53 is: 3,484,165.56
Step by Step Solution
- Step 1: Write the proportion equation
3,979,379.37 : 5,487,642.30 = 2,526,552.53 : x - Step 2: Convert to fraction form
3,979,379.37/5,487,642.30 = 2,526,552.53/x - Step 3: Cross multiply
3,979,379.37x = 5,487,642.30 × 2,526,552.53 - Step 4: Simplify right side
3,979,379.37x = 13,864,816,533,531.24 - Step 5: Solve for x
x = 13,864,816,533,531.24/3,979,379.37 - Step 6: Final answer
x = 3,484,165.56
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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.