Finding the Fourth Proportional to 4,793,978.12, 6,615,650.49 and 2,618,522.66
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Solution
The fourth proportional to 4,793,978.12, 6,615,650.49 and 2,618,522.66 is: 3,613,539.80
Step by Step Solution
- Step 1: Write the proportion equation
4,793,978.12 : 6,615,650.49 = 2,618,522.66 : x - Step 2: Convert to fraction form
4,793,978.12/6,615,650.49 = 2,618,522.66/x - Step 3: Cross multiply
4,793,978.12x = 6,615,650.49 × 2,618,522.66 - Step 4: Simplify right side
4,793,978.12x = 17,323,230,718,705.11 - Step 5: Solve for x
x = 17,323,230,718,705.11/4,793,978.12 - Step 6: Final answer
x = 3,613,539.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.