Finding the Fourth Proportional to 3,460,479.95, 5,192,578.97 and 1,440,116.75
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Solution
The fourth proportional to 3,460,479.95, 5,192,578.97 and 1,440,116.75 is: 2,160,948.79
Step by Step Solution
- Step 1: Write the proportion equation
3,460,479.95 : 5,192,578.97 = 1,440,116.75 : x - Step 2: Convert to fraction form
3,460,479.95/5,192,578.97 = 1,440,116.75/x - Step 3: Cross multiply
3,460,479.95x = 5,192,578.97 × 1,440,116.75 - Step 4: Simplify right side
3,460,479.95x = 7,477,919,950,394.75 - Step 5: Solve for x
x = 7,477,919,950,394.75/3,460,479.95 - Step 6: Final answer
x = 2,160,948.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.