Finding the Fourth Proportional to 1,383,207.48, 2,074,811.40 and 372,331.80
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Solution
The fourth proportional to 1,383,207.48, 2,074,811.40 and 372,331.80 is: 558,497.75
Step by Step Solution
- Step 1: Write the proportion equation
1,383,207.48 : 2,074,811.40 = 372,331.80 : x - Step 2: Convert to fraction form
1,383,207.48/2,074,811.40 = 372,331.80/x - Step 3: Cross multiply
1,383,207.48x = 2,074,811.40 × 372,331.80 - Step 4: Simplify right side
1,383,207.48x = 772,518,263,222.52 - Step 5: Solve for x
x = 772,518,263,222.52/1,383,207.48 - Step 6: Final answer
x = 558,497.75
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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.