Finding the Fourth Proportional to 3,930,419.76, 5,886,181.80 and 2,242,405.68
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Solution
The fourth proportional to 3,930,419.76, 5,886,181.80 and 2,242,405.68 is: 3,358,218.28
Step by Step Solution
- Step 1: Write the proportion equation
3,930,419.76 : 5,886,181.80 = 2,242,405.68 : x - Step 2: Convert to fraction form
3,930,419.76/5,886,181.80 = 2,242,405.68/x - Step 3: Cross multiply
3,930,419.76x = 5,886,181.80 × 2,242,405.68 - Step 4: Simplify right side
3,930,419.76x = 13,199,207,501,832.62 - Step 5: Solve for x
x = 13,199,207,501,832.62/3,930,419.76 - Step 6: Final answer
x = 3,358,218.28
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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.