Finding the Fourth Proportional to 3,168,670.23, 4,372,687.94 and 1,810,455.75
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Solution
The fourth proportional to 3,168,670.23, 4,372,687.94 and 1,810,455.75 is: 2,498,384.95
Step by Step Solution
- Step 1: Write the proportion equation
3,168,670.23 : 4,372,687.94 = 1,810,455.75 : x - Step 2: Convert to fraction form
3,168,670.23/4,372,687.94 = 1,810,455.75/x - Step 3: Cross multiply
3,168,670.23x = 4,372,687.94 × 1,810,455.75 - Step 4: Simplify right side
3,168,670.23x = 7,916,558,014,876.38 - Step 5: Solve for x
x = 7,916,558,014,876.38/3,168,670.23 - Step 6: Final answer
x = 2,498,384.95
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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.