Finding the Fourth Proportional to 3,879,343.80, 5,354,145.90 and 2,248,771.14
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Solution
The fourth proportional to 3,879,343.80, 5,354,145.90 and 2,248,771.14 is: 3,103,681.81
Step by Step Solution
- Step 1: Write the proportion equation
3,879,343.80 : 5,354,145.90 = 2,248,771.14 : x - Step 2: Convert to fraction form
3,879,343.80/5,354,145.90 = 2,248,771.14/x - Step 3: Cross multiply
3,879,343.80x = 5,354,145.90 × 2,248,771.14 - Step 4: Simplify right side
3,879,343.80x = 12,040,248,779,269.33 - Step 5: Solve for x
x = 12,040,248,779,269.33/3,879,343.80 - Step 6: Final answer
x = 3,103,681.81
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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.