Finding the Fourth Proportional to 4,265,544.38, 6,398,316.54 and 1,425,656.54
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Solution
The fourth proportional to 4,265,544.38, 6,398,316.54 and 1,425,656.54 is: 2,138,484.80
Step by Step Solution
- Step 1: Write the proportion equation
4,265,544.38 : 6,398,316.54 = 1,425,656.54 : x - Step 2: Convert to fraction form
4,265,544.38/6,398,316.54 = 1,425,656.54/x - Step 3: Cross multiply
4,265,544.38x = 6,398,316.54 × 1,425,656.54 - Step 4: Simplify right side
4,265,544.38x = 9,121,801,820,241.17 - Step 5: Solve for x
x = 9,121,801,820,241.17/4,265,544.38 - Step 6: Final answer
x = 2,138,484.80
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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.