Finding the Fourth Proportional to 2,405,480.24, 3,319,566.73 and 1,317,728.10
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Solution
The fourth proportional to 2,405,480.24, 3,319,566.73 and 1,317,728.10 is: 1,818,466.97
Step by Step Solution
- Step 1: Write the proportion equation
2,405,480.24 : 3,319,566.73 = 1,317,728.10 : x - Step 2: Convert to fraction form
2,405,480.24/3,319,566.73 = 1,317,728.10/x - Step 3: Cross multiply
2,405,480.24x = 3,319,566.73 × 1,317,728.10 - Step 4: Simplify right side
2,405,480.24x = 4,374,286,354,133.72 - Step 5: Solve for x
x = 4,374,286,354,133.72/2,405,480.24 - Step 6: Final answer
x = 1,818,466.97
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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.