Finding the Fourth Proportional to 3,894,596.79, 5,836,673.18 and 3,031,074.36
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Solution
The fourth proportional to 3,894,596.79, 5,836,673.18 and 3,031,074.36 is: 4,542,547.37
Step by Step Solution
- Step 1: Write the proportion equation
3,894,596.79 : 5,836,673.18 = 3,031,074.36 : x - Step 2: Convert to fraction form
3,894,596.79/5,836,673.18 = 3,031,074.36/x - Step 3: Cross multiply
3,894,596.79x = 5,836,673.18 × 3,031,074.36 - Step 4: Simplify right side
3,894,596.79x = 17,691,390,423,597.66 - Step 5: Solve for x
x = 17,691,390,423,597.66/3,894,596.79 - Step 6: Final answer
x = 4,542,547.37
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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.