Finding the Fourth Proportional to 2,539,693.18, 3,503,778.93 and 1,451,380.91
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Solution
The fourth proportional to 2,539,693.18, 3,503,778.93 and 1,451,380.91 is: 2,002,335.52
Step by Step Solution
- Step 1: Write the proportion equation
2,539,693.18 : 3,503,778.93 = 1,451,380.91 : x - Step 2: Convert to fraction form
2,539,693.18/3,503,778.93 = 1,451,380.91/x - Step 3: Cross multiply
2,539,693.18x = 3,503,778.93 × 1,451,380.91 - Step 4: Simplify right side
2,539,693.18x = 5,085,317,851,862.23 - Step 5: Solve for x
x = 5,085,317,851,862.23/2,539,693.18 - Step 6: Final answer
x = 2,002,335.52
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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.