Finding the Fourth Proportional to 5,393,291.98, 7,442,693.74 and 2,945,902.63
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Solution
The fourth proportional to 5,393,291.98, 7,442,693.74 and 2,945,902.63 is: 4,065,318.76
Step by Step Solution
- Step 1: Write the proportion equation
5,393,291.98 : 7,442,693.74 = 2,945,902.63 : x - Step 2: Convert to fraction form
5,393,291.98/7,442,693.74 = 2,945,902.63/x - Step 3: Cross multiply
5,393,291.98x = 7,442,693.74 × 2,945,902.63 - Step 4: Simplify right side
5,393,291.98x = 21,925,451,062,950.54 - Step 5: Solve for x
x = 21,925,451,062,950.54/5,393,291.98 - Step 6: Final answer
x = 4,065,318.76
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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.