Finding the Fourth Proportional to 6,328,990.29, 8,732,234.36 and 3,974,441.79
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Solution
The fourth proportional to 6,328,990.29, 8,732,234.36 and 3,974,441.79 is: 5,483,616.75
Step by Step Solution
- Step 1: Write the proportion equation
6,328,990.29 : 8,732,234.36 = 3,974,441.79 : x - Step 2: Convert to fraction form
6,328,990.29/8,732,234.36 = 3,974,441.79/x - Step 3: Cross multiply
6,328,990.29x = 8,732,234.36 × 3,974,441.79 - Step 4: Simplify right side
6,328,990.29x = 34,705,757,203,139.89 - Step 5: Solve for x
x = 34,705,757,203,139.89/6,328,990.29 - Step 6: Final answer
x = 5,483,616.75
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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.