Finding the Fourth Proportional to 3,101,028.18, 4,279,422.41 and 1,724,342.34
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Solution
The fourth proportional to 3,101,028.18, 4,279,422.41 and 1,724,342.34 is: 2,379,594.38
Step by Step Solution
- Step 1: Write the proportion equation
3,101,028.18 : 4,279,422.41 = 1,724,342.34 : x - Step 2: Convert to fraction form
3,101,028.18/4,279,422.41 = 1,724,342.34/x - Step 3: Cross multiply
3,101,028.18x = 4,279,422.41 × 1,724,342.34 - Step 4: Simplify right side
3,101,028.18x = 7,379,189,243,686.13 - Step 5: Solve for x
x = 7,379,189,243,686.13/3,101,028.18 - Step 6: Final answer
x = 2,379,594.38
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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.