Finding the Fourth Proportional to 4,189,048.92, 5,780,963.97 and 2,328,639.12
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Solution
The fourth proportional to 4,189,048.92, 5,780,963.97 and 2,328,639.12 is: 3,213,564.49
Step by Step Solution
- Step 1: Write the proportion equation
4,189,048.92 : 5,780,963.97 = 2,328,639.12 : x - Step 2: Convert to fraction form
4,189,048.92/5,780,963.97 = 2,328,639.12/x - Step 3: Cross multiply
4,189,048.92x = 5,780,963.97 × 2,328,639.12 - Step 4: Simplify right side
4,189,048.92x = 13,461,778,851,852.51 - Step 5: Solve for x
x = 13,461,778,851,852.51/4,189,048.92 - Step 6: Final answer
x = 3,213,564.49
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1.5x scale
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.