Finding the Fourth Proportional to 3,617,079.36, 4,992,258.24 and 2,393,409.12
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Solution
The fourth proportional to 3,617,079.36, 4,992,258.24 and 2,393,409.12 is: 3,303,360.31
Step by Step Solution
- Step 1: Write the proportion equation
3,617,079.36 : 4,992,258.24 = 2,393,409.12 : x - Step 2: Convert to fraction form
3,617,079.36/4,992,258.24 = 2,393,409.12/x - Step 3: Cross multiply
3,617,079.36x = 4,992,258.24 × 2,393,409.12 - Step 4: Simplify right side
3,617,079.36x = 11,948,516,401,011.15 - Step 5: Solve for x
x = 11,948,516,401,011.15/3,617,079.36 - Step 6: Final answer
x = 3,303,360.31
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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.