Finding the Fourth Proportional to 1,372,341.06, 1,893,930.48 and 828,609.12
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Solution
The fourth proportional to 1,372,341.06, 1,893,930.48 and 828,609.12 is: 1,143,540.85
Step by Step Solution
- Step 1: Write the proportion equation
1,372,341.06 : 1,893,930.48 = 828,609.12 : x - Step 2: Convert to fraction form
1,372,341.06/1,893,930.48 = 828,609.12/x - Step 3: Cross multiply
1,372,341.06x = 1,893,930.48 × 828,609.12 - Step 4: Simplify right side
1,372,341.06x = 1,569,328,068,373.98 - Step 5: Solve for x
x = 1,569,328,068,373.98/1,372,341.06 - Step 6: Final answer
x = 1,143,540.85
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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.