Finding the Fourth Proportional to 1,685,052.24, 2,325,408.12 and 921,176.88
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Solution
The fourth proportional to 1,685,052.24, 2,325,408.12 and 921,176.88 is: 1,271,243.79
Step by Step Solution
- Step 1: Write the proportion equation
1,685,052.24 : 2,325,408.12 = 921,176.88 : x - Step 2: Convert to fraction form
1,685,052.24/2,325,408.12 = 921,176.88/x - Step 3: Cross multiply
1,685,052.24x = 2,325,408.12 × 921,176.88 - Step 4: Simplify right side
1,685,052.24x = 2,142,112,196,708.27 - Step 5: Solve for x
x = 2,142,112,196,708.27/1,685,052.24 - Step 6: Final answer
x = 1,271,243.79
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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.