Finding the Fourth Proportional to 3,779,418.74, 5,215,594.19 and 2,060,538.80
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Solution
The fourth proportional to 3,779,418.74, 5,215,594.19 and 2,060,538.80 is: 2,843,541.54
Step by Step Solution
- Step 1: Write the proportion equation
3,779,418.74 : 5,215,594.19 = 2,060,538.80 : x - Step 2: Convert to fraction form
3,779,418.74/5,215,594.19 = 2,060,538.80/x - Step 3: Cross multiply
3,779,418.74x = 5,215,594.19 × 2,060,538.80 - Step 4: Simplify right side
3,779,418.74x = 10,746,934,157,168.91 - Step 5: Solve for x
x = 10,746,934,157,168.91/3,779,418.74 - Step 6: Final answer
x = 2,843,541.54
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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.