Finding the Fourth Proportional to 3,177,740.24, 4,385,302.12 and 1,727,448.20
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Solution
The fourth proportional to 3,177,740.24, 4,385,302.12 and 1,727,448.20 is: 2,383,889.71
Step by Step Solution
- Step 1: Write the proportion equation
3,177,740.24 : 4,385,302.12 = 1,727,448.20 : x - Step 2: Convert to fraction form
3,177,740.24/4,385,302.12 = 1,727,448.20/x - Step 3: Cross multiply
3,177,740.24x = 4,385,302.12 × 1,727,448.20 - Step 4: Simplify right side
3,177,740.24x = 7,575,382,253,650.18 - Step 5: Solve for x
x = 7,575,382,253,650.18/3,177,740.24 - Step 6: Final answer
x = 2,383,889.71
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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.