Finding the Fourth Proportional to 3,534,405.12, 5,301,768.06 and 1,138,269.60
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Solution
The fourth proportional to 3,534,405.12, 5,301,768.06 and 1,138,269.60 is: 1,707,456.05
Step by Step Solution
- Step 1: Write the proportion equation
3,534,405.12 : 5,301,768.06 = 1,138,269.60 : x - Step 2: Convert to fraction form
3,534,405.12/5,301,768.06 = 1,138,269.60/x - Step 3: Cross multiply
3,534,405.12x = 5,301,768.06 × 1,138,269.60 - Step 4: Simplify right side
3,534,405.12x = 6,034,841,408,948.98 - Step 5: Solve for x
x = 6,034,841,408,948.98/3,534,405.12 - Step 6: Final answer
x = 1,707,456.05
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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.