Finding the Fourth Proportional to 3,174,823.18, 4,381,337.49 and 1,724,601.61
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Solution
The fourth proportional to 3,174,823.18, 4,381,337.49 and 1,724,601.61 is: 2,379,994.49
Step by Step Solution
- Step 1: Write the proportion equation
3,174,823.18 : 4,381,337.49 = 1,724,601.61 : x - Step 2: Convert to fraction form
3,174,823.18/4,381,337.49 = 1,724,601.61/x - Step 3: Cross multiply
3,174,823.18x = 4,381,337.49 × 1,724,601.61 - Step 4: Simplify right side
3,174,823.18x = 7,556,061,689,207.36 - Step 5: Solve for x
x = 7,556,061,689,207.36/3,174,823.18 - Step 6: Final answer
x = 2,379,994.49
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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.